Regional Pitch Accent in Japanese: Kansai (Keihan), Tohoku, and the Accentless Dialects
Japanese regional pitch accent means the region-specific systems that shape a word's pitch contour. The famous "four patterns" (heiban, atamadaka, nakadaka, odaka) describe only one of them: the Tokyo / NHK broadcast standard.1 A learner who has internalized the Tokyo system has the most-used variety in hand, but Japan has at least two other large-scale systems that work on different principles.2
Overview
Why the "four patterns" page describes Tokyo only
The four-pattern inventory is a description of the Tokyo / NHK-broadcast system, not of Japanese as a whole. The same word can carry a different pattern (or a pattern that has no Tokyo equivalent) in another regional system.13
The NHK accent dictionary is the source of the standard learners meet in textbooks and apps. It explicitly limits its scope to the contemporary Tokyo Yamanote variety and records about 75,000 headwords in its 2016 edition.45
Two structural facts make the four-pattern frame Tokyo-specific. First, in Tokyo each word has at most one pitch drop. Second, the pitch of the first mora is fully predictable from whether the word is atamadaka or not. Other Japanese systems break one or both constraints.13
The three macro-zones a learner will hear
Three large-scale accent zones cover almost every variety a learner will encounter in media, travel, or daily life.
| Zone | Japanese term | Rough area | Defining trait |
|---|---|---|---|
| Tokyo-shiki | 東京式アクセント | Most of eastern Honshū, Hokkaidō, much of Chūbu, parts of Chūgoku and Kyushu | One downstep per word; initial mora always differs from mora 218 |
| Keihan-shiki | 京阪式アクセント | Kyoto, Osaka, Kobe, Nara, Wakayama; most of Shikoku | Words contrast on initial pitch (H or L) and drop position9310 |
| Accentless | 無アクセント / 一型アクセント | Southern Tōhoku, northern Kantō, parts of central-southern Kyushu | No lexical pitch contrast; phrase-level intonation intact1128 |
Kubozono's typological survey adds the two-pattern (二型 / nikei) system of Kagoshima and a handful of N-pattern Ryukyuan-influenced systems as separate types; the three above remain the macro-zones that dominate the main islands.2
Why this matters for a learner (and why it usually doesn't)
The JLPT listening audio uses standard (Tokyo) Japanese. Pitch-accent comprehension is not a separate test item, and regional accent does not appear in the released sample materials.7 Mainstream broadcast media (NHK news, national television drama narration) uses NHK-standard accent by editorial policy, anchored to the NHK dictionary.45
The picture changes with travel or residence. Short stays in Kansai expose learners to Keihan. Longer time in southern Tōhoku or southern Kyushu exposes them to accentless speech. Both are easier to parse than learners often fear, because intonation, grammar, and lexicon remain standard.11
The Tokyo-shiki accent (baseline)
What "Tokyo-shiki" actually covers
"Tokyo-shiki" is a typological label, not a city boundary. The system extends across most of Hokkaidō, the entire Kantō plain (excluding accentless pockets in northern Ibaraki and Tochigi), most of Chūbu, large stretches of Chūgoku, and parts of northern Kyushu.89
It is the largest pitch-accent zone in Japan by both area and speaker count. This, not any phonological "neutrality," is why it became the basis of the post-Meiji standard.93
One-rule recap: initial-low + one drop
Tokyo-shiki obeys two invariants. First, the first and second mora of a word always differ in pitch. A word that starts high must drop immediately, and a word that starts low must rise on mora 2. Second, once the pitch drops within a word, it stays down. There is at most one downstep per word.13
The result is compact: a Tokyo word's full pitch contour can be reconstructed from one piece of information, the position of the drop or its absence. Tokyo accent is sometimes called a single-feature or "accent kernel" system for exactly this reason.1
The Keihan-shiki accent (Kyoto–Osaka–Kobe)
Where Keihan-shiki is spoken
The Keihan-shiki zone covers the historical Kinai/Kansai core (Kyoto, Osaka, Hyōgo with Kobe, Nara, Wakayama, southern Mie), most of Shikoku (notably Tokushima and Kōchi), and parts of western Chūbu.9102
By speaker count, it is the second-largest accent zone after Tokyo-shiki. It is the prestige variety of Kansai-ben and the system most often contrasted with the NHK standard in linguistics literature.910
The first new axis: initial-low vs initial-high
Keihan-shiki contrasts words on two independent dimensions: the word's register or shiki (高起式 kōki-shiki, high-initial vs 低起式 teiki-shiki, low-initial), and the position of the downstep, or accent kernel (核 / kaku), within the word.139
In Tokyo-shiki, only the drop position is contrastive; the initial pitch is fully predictable. In Keihan-shiki, initial register and drop position vary independently. This is the structural difference between the two systems and the source of Keihan's larger inventory.13
The H-H (plain-high) pattern Tokyo doesn't have
Keihan permits a contour in which mora 1 and mora 2 are both high with no intervening drop. The word 端 hashi "edge" surfaces as H-H in Keihan.10 Tokyo-shiki rules out any H-H sequence at the start of a word because of its initial-pitch invariant. This is the cleanest single-feature difference between the systems.13
A larger inventory of patterns
For two-mora nouns followed by a particle, Kubozono catalogs roughly four contrastive patterns in Tokyo. Heiban, atamadaka, and odaka are the productive three for native nouns. Keihan has roughly six: the Tokyo three plus their high-initial counterparts. The precise count depends on whether unaccented H-H is treated as one type or two.21
For three-mora nouns the Keihan inventory roughly doubles relative to Tokyo for the same reason. This is the empirical content of the "Keihan has more patterns" claim.21
Worked contrasts
The cleanest minimal contrast is 川 kawa "river," where the only thing that changes between systems is the initial pitch.
川12
"river"
Tokyo realizes 川 as L-H with the drop on a following particle (odaka). Keihan realizes it as H-L (atamadaka in Tokyo terms). The lexical item is the same; only the surface pattern differs.1213
The famous hashi triplet (橋 "bridge," 箸 "chopsticks," 端 "edge") shows what happens when Keihan uses both axes at once. In Tokyo, the three are distinguished by drop position alone. In Keihan, initial register also matters.
| Word | Gloss | Tokyo | Keihan |
|---|---|---|---|
| 橋 | bridge | L-H (odaka, drop on particle) | H-L |
| 箸 | chopsticks | H-L (atamadaka) | L-H |
| 端 | edge | L-H (heiban, no drop) | H-H |
The Keihan column uses three distinct contours (H-L, L-H, H-H), including the plain-high pattern Tokyo lacks.10
橋10
"bridge"
箸10
"chopsticks"
端10
"edge"
A three-mora example shows the same divergence playing out across a longer word.
桜12
"cherry blossom"
Tokyo realizes 桜 as L-H-H (heiban, no drop). Keihan realizes it as L-H-L (low-initial with a drop on mora 3), following Kawahara's three-mora table.121
The "Kansai is the inverse of Tokyo" rule
Where the heuristic comes from
For a set of basic two-mora native nouns, the canonical Tokyo pattern and the canonical Keihan pattern are mirror images. 川 kawa "river" is odaka in Tokyo but atamadaka in Keihan. 雨 ame "rain" is atamadaka in Tokyo but low-initial with a later drop in Keihan. This memorable subset is the source of the "inverse" meme.131
Historical reconstructions of Middle Japanese accent map modern Tokyo and modern Kyoto patterns onto the same older categories. Kindaichi's foundational 1974 study, building on the 12th-century Ruijumyōgishō, made this correspondence look systematic from a textbook angle.14
Where it actually holds
The correspondence is reasonably clean for two-mora native (和語 wago) nouns in the inherited vocabulary. This is the class Kindaichi's class-vocabulary table (類別語彙表 / ruibetsu goi-hyō) was built on, and the class is small enough to memorize as a list.141
Even there, the mapping is class-to-class, not "flip the highs and lows." Some Tokyo heiban words correspond to Keihan high-initial unaccented patterns (H-H-H...). That is different, but not inverse.13
Where it breaks
For three-or-more-mora words, Keihan's two-axis system means a Tokyo nakadaka word can land on several different Keihan patterns depending on register, with no consistent flip.12
Sino-Japanese (漢語 kango) compounds and post-Meiji loans took accent on different principles in each variety and rarely map by inversion.32 Verbs and adjectives diverge through rules inside their paradigms, not through lexical inversion. This is where the two systems pull apart most predictably.31 Words that surface as Keihan H-H have no Tokyo equivalent to be inverted into; the heuristic has no defined output for them.103
The honest takeaway
Treat the "inverse" rule as a mnemonic for the two-mora native-noun subset, not as a conversion function for the rest of the lexicon. Outside that narrow class, it will mislead more than it helps.12
For accurate Keihan lookup, a Keihan-targeted reference is the only reliable path. Options include the dialect entries in specialist accent dictionaries and academic resources such as Kubozono's Handbook chapter; OJAD's dataset is Tokyo-standard, so it cannot serve this purpose.614
The accentless (musō / ichigata) dialects
What "accentless" means here
無アクセント (mu-akusento, "no accent") and 一型アクセント (ichigata-akusento, "one-pattern accent") are the standard terms for dialects in which words carry no lexically contrastive pitch contour. Minimal pairs like 橋 / 箸 / 端 hashi ("bridge" / "chopsticks" / "edge") collapse into a single form.112
"Accentless" does not mean "monotone" or "no intonation." Phrase-level intonation (rising for questions, falling for statements, emphatic peaks) functions normally. Only the word-level lexical contrast is missing.11
One-pattern (一型) is the precise label when a dialect has exactly one obligatory contour applied to every accent-bearing unit. Mu-akusento is sometimes used as a cover term for both.2
Where these zones are
The accentless belt runs across southern Tōhoku into northern Kantō, with a second cluster in central-southern Kyushu.
- Southern Tōhoku: parts of Fukushima and Miyagi prefectures.112
- Northern Kantō: parts of Ibaraki and Tochigi, which form a single dialect belt with the southern-Tōhoku zone.11
- Central-southern Kyushu: parts of Kumamoto and most of Miyazaki.112
Closely related is the two-pattern (二型 / nikei) system of most of Kagoshima Prefecture. Phrasal units are either Type A (penultimate-high HL) or Type B (final-high LH). This sits structurally between an accentless system and a Tokyo-style one.1516
How accentless speech actually sounds
Accentless speech has a flatter overall pitch contour at the word level, because the lexical melody is missing. Speakers compensate with longer phrase-level contours and stronger sentence-final intonation.11
In recognition experiments, accentless-dialect speakers do not use pitch as a cue for word identification at all. That is the operational definition of the category.11
Why this isn't "wrong" or "lazy" Japanese
These are stable regional systems with their own internal phonological logic. They are not Tokyo accent that has been damaged or worn down.211
Speakers from accentless zones who acquire NHK accent for broadcast or formal work typically do so as a learned second register. They may retain traces of the home system in casual speech, much like any speaker of a non-standard variety who code-switches.11
What this means for you in practice
For the JLPT
The JLPT uses standard (Tokyo) Japanese; the published sample materials use the same broadcast-style accent as the NHK dictionary, and no regional accent content is included.74
Pitch accent is not graded as a separate item at any level from N5 through N1. The listening sections test comprehension, vocabulary, and grammar, not learner production.7 The practical implication is direct: a learner can ignore Keihan-shiki for JLPT purposes, because the test will not present it.7
For travel and short stays
Comprehension matters more than production. Visitors to Osaka, Kyoto, and Kobe will hear Keihan accent on basic vocabulary (numbers, greetings, polite forms). They rarely encounter parsing difficulty, because grammar, lexicon, and phrase-level intonation are still standard.910
Visitors to southern Tōhoku or to Miyazaki may notice the flatter contour of accentless speech. This is a listening adjustment, not a comprehension barrier, because lexical disambiguation still works through context.112
For living or studying in Kansai
Long-term residents in the Kansai core have two stable outcomes documented in the dialect literature. They may keep Tokyo-shiki and accept being marked as a non-Kansai speaker (the modal outcome for adult acquirers), or they may absorb Keihan passively over years of input.93
Full active production of Keihan-shiki is a multi-year project, because the two-axis system has to be acquired word-by-word. Passive comprehension is much faster.31
Tooling note: OJAD's dataset is Tokyo-standard
OJAD covers approximately 9,000 nouns and around 3,500 predicates, all annotated with Tokyo-standard accent patterns. Its dataset does not include Keihan or other regional accent data.6 No widely available equivalent for Keihan-shiki exists at the same quality and coverage. The practical alternatives are paper accent dictionaries that include some dialect notes, and academic field corpora such as NINJAL's dialect resources.62
Treat OJAD as a Tokyo-only tool by virtue of what it indexes, not because it disclaims other varieties.
Good to know
"Tokyo-shiki" is a geographic typology label, not an honorific
The Tokyo-type accent is the larger zone by area and speaker count, not "the real Japanese." The perception of Keihan as a deviation is a 20th-century artifact of nationwide broadcasting and the post-Meiji standard, not a linguistic ranking.93
Whether Keihan is the older system is contested
Kindaichi's classical reconstruction (1974) treats the 12th-century Kyoto accent recorded in the Ruijumyōgishō as a richer ancestor that Tokyo simplified.14 Ramsey (1979) reanalyzed the same data and argued the opposite: the peripheral Tokyo-type system is the conservative one. In his account, the modern Kyoto pattern is the innovation, produced by a leftward shift of accent nuclei.17
The "Keihan = older, Tokyo = simpler" narrative widely repeated in learner-facing material follows Kindaichi. The question is not closed in the academic literature, and J-Compass presents it as contested rather than settled.1714
川 kawa is the cleanest demo of the initial-pitch axis
川 kawa "river" contrasts on initial pitch alone (Tokyo L-H, Keihan H-L) with no other variable changing. The 橋 / 箸 / 端 hashi set ("bridge" / "chopsticks" / "edge") is more famous but moves on multiple dimensions at once: initial pitch, drop position, and the H-H pattern. It works better as a three-way Keihan demo than as a Tokyo-vs-Keihan minimal pair.1310
Treating "Kansai is the inverse of Tokyo" as a conversion function
A common pitfall is assuming any Tokyo accent pattern can be Keihan-ified by flipping highs and lows, for example turning a Tokyo nakadaka word into a Keihan odaka word by inversion. The inverse correspondence holds reasonably for two-mora native nouns in inherited vocabulary. Outside that class, Tokyo and Keihan patterns relate by class-to-class historical correspondence rather than H/L inversion, and Keihan's H-H pattern has no Tokyo counterpart at all.12
The safer move is to use the heuristic only on short native nouns and to look up everything else.
川12
"river"
For 川, the flip works: Tokyo L-H, Keihan H-L. For a three-mora kango compound or a verb, there is no comparable flip to apply.
Anime "Kansai-ben" voices are not a reliable model
Anime and television Kansai-ben is frequently produced by Tokyo-shiki voice actors and exaggerated for character effect. The pitch contour is rarely faithful Keihan. Use recordings of Kansai-native speakers or academic corpus audio if the goal is to internalize the system.910
"Accentless" does not mean "monotone"
Equating accentless dialects with flat speech is a misreading. Speakers in Miyazaki or southern Tōhoku still use phrase-level intonation, question rises, emphasis, and emotional contour normally. What is absent is the word-level lexical pitch contrast that distinguishes pairs like 橋 / 箸 in Tokyo.112
See also
- Japanese Pitch Accent: A Complete Beginner's Guide
- Japanese Pitch-Accent Notation: How to Read 0, 1, 2, 3 and the Overline Diagrams
- Stress vs. Pitch: Does Japanese Have Stress?
- Regional Japanese Dialects: An Overview
- Osaka-ben vs. Kyoto-ben: The Two Faces of Kansai