Sound Series
Sound Series
A sound series is the set of every character built on one sound component. 批 pī contains 比 bǐ. The pinyin initials differ, so a learner often decides the two characters are unrelated and discards the shared part. The pinyin letters are being used as the test of whether two characters belong together.
The letters are the wrong test. Centuries of sound change separate modern Mandarin from the Old Chinese readings those components first recorded. When the characters that share one component are read as one family, the differing initials fall into a few groups of related initials. Saying both syllables aloud shows whether the tongue or lips still touch in the same place.
Core takeaways
- Every character built on one sound component belongs to one sound series. The series is a sound object; the meanings of the members hide the pattern at this stage.
- Series membership ignores tone. Spoken Mandarin requires the correct tone. These are two separate facts.
- Seven groups of initials cover the usual swaps inside a series. The test for a group is where the tongue or lips make contact.
- Three crossings between groups exist. They are learned after the seven groups run automatically.
- When the method works, an unstudied character with a known phonetic gives a short list of related-initial guesses.
Tone does not decide membership
A sound series is a sound object. The meanings of the members do not help at this stage; they hide the pattern. Sound Components describes the same mechanism for a single character. A sound series applies it to the whole family.
Series membership is tone-blind. Old Chinese likely had no meaning-distinguishing tones, so characters with a shared ancestor do not have to share a modern tone. Speech stays tone-strict, because modern Mandarin has tones. Confusing those two facts is a common error.
A series where every member matches even in tone is rare. 府 → 俯 腐 腑, all fǔ, is one. The normal case is 侯 hóu → 候 hòu, 喉 hóu, 猴 hóu: the tones differ and the family is still recognizable. A learner who treats the all-fǔ family as the standard case will read every ordinary series as evidence against the method.
The seven groups
When the rhymes do not match, the relationship is in the initials. Seven groups cover the usual swaps. The test is physical: pronounce both syllables and notice where the tongue or lips make contact.
| Group | Prototype | Members |
|---|---|---|
| {t, d} | 同 | 銅 洞 筒 |
| {zh, ch, sh} | 成 | 城 盛 誠 |
| {j, q, x} | 巠 | 經 輕 勁 徑 |
| {b, p, f} | 非 | 菲 排 悲 輩 |
| {g, k, h} | 舌 guā (not 舌 shé) | 話 刮 活 括 |
| {z, c, s} | 曾 | 增 層 贈 僧 |
| {m, w} | 門 | 問 們 聞 悶 |
The first six groups are place-of-articulation families. {m, w} is looser: m and w are not a voicing pair, but both form at the lips. 勁 jìn sits in the {j, q, x} row with siblings that end in -ng; the vowel is the exception. Marking it as an exception keeps the rest of the row reliable.
Where the groups have slack
The groups have exceptions. b and p both use the lips; f is lip-to-teeth; they still swap inside 非. The same lip-sound shift appears in Indo-European: father / Vater, fish / Fisch against poisson. It is one case of general sound change.
Vowels can vary inside a series that still holds. The 舌 guā family moves between -uo and -ua and stays one family.
Three crossings between groups
Three interactions sit on top of the seven groups. They do not need to be memorized before the seven.
{g, k, h} crosses {j, q, x}. The soft g of George against German Georg is the same palatalization. 古 yields 故 估 苦 胡 and also 居 鋸. 夬 yields 決 缺 快.
{d, t} crosses {zh, ch, sh}. English -tion is pronounced sh; “watcha” fuses t + y. Ancient d shifted to zh in 占 and stayed d in 店. One series shows it: 單 → 彈 戰.
{g, k, h} crosses {l}. 各 yields 客 格 貉 胳 beside 路 略 落 絡.
Memorizing the crossings up front adds load without payoff. Once the seven groups run automatically, the learner notices a cross-group pair without extra effort.
What the groups give the learner
Once the seven groups are learned as a declared boundary, a new instance becomes usable. A trained learner sees links that pinyin hides. The seven groups must be learned first; the crossings are useful only after that.
This takes effort. What it gives is a rule: the initials in a group belong together, so the next unfamiliar character is kept or discarded by the mouth test instead of by its spelling.
The IME Method is where a series guess becomes a candidate in recall. Rules of Effective Memorization gives the general form of a declared boundary and of deriving rather than storing.
Learning the groups
The seven groups go in first. They are memorized. Related members are said aloud. Every new reading that relates to its component is noticed as a group member, not as a one-off spelling.
Doubt is resolved with the mouth. t and d share a place of contact; p forms at the lips. If the letters differ and the contact point is the same, the character stays in the family.
Singing the membership is optional. A verse that pairs 張 Zhāng with 湯 Tāng turns group membership into an auditory structure. It is a technique the learner can use or skip.
Early confusion is normal. After the seven groups have settled, a reread starts to return plausible guesses at unstudied characters.
Common mistakes
The first mistake is trusting the pinyin letters over the mouth test. Spelling then overrides articulation, and 比 is discarded from 批 again.
The second is treating the all-fǔ 府 family as the standard case. Every tone-scattered series then looks like a counterexample.
The third is letting tone-blindness into speech. Membership ignores tone; speech does not. A wrong tone in spoken Mandarin is an error at once.
Readings and shapes that mislead
Multiple readings usually come from one original sense. 盛 chéng / shèng both come from “put into a container.” The other forks, 彈, 說, 轉, belong on Meaning Trees and Original Meanings.
Merged glyphs are a different problem. 舌 in 話 / 活 / 刮 / 括 abbreviates a distinct ancient guā. 舌 shé “tongue” is a separate glyph that collapsed into the same modern shape. That is why the {g, k, h} row carries “(not 舌 shé).” 括 guā / kuò is ordinary {g, k} and -ua / -uo.
Sound-only components get promoted to meaning. 夬 contributes pronunciation alone; looking for a meaning role in 決 / 缺 creates a false structure. 侯’s 亻-like stroke belongs to the depicted target; 候 carries a genuine 亻. Empty Components covers the sound-only promotion. Form Components covers the depicted-target half of 侯.
Limits of the seven
Seven is a working count. It is not a closed natural class. {m, w} is already looser than the other six. Crossings memorized early are load without payoff. If every tone-scattered series is being thrown out, 府 was taken as the standard case. When the method works, an unstudied character whose phonetic is known gives a short list of related-initial guesses instead of a random guess.
The pinyin letters still disagree. The learner now checks the family instead: the mouth test first, then the seven groups, then the crossings. Speech still requires the correct tone.
How to practice this
- Memorize the seven groups in the table. Say the related members of each group aloud. Notice that the tongue or lips make contact in the same place across a group.
- When a new reading relates to its sound component, note which group it falls in. Record it as a group member rather than as a one-off spelling.
- When two pinyin initials disagree, pronounce both syllables. If the contact point is the same, keep the character in the family. t and d share a place; p forms at the lips.
- If you want, sing the memberships. A verse pairing 張 Zhāng with 湯 Tāng turns the group into a sound pattern you can hear.
- Expect confusion at first. After the groups settle, reread a text and notice plausible guesses at unstudied characters whose phonetic you know.
- Leave the three crossings until the seven groups run automatically. Once they do, notice that a cross-group pair stands out without study.
Related pages
- How Chinese Characters Work: the hub. This page scales Sound Components and does not replace it.
- Sound Components: the single-character mechanism this scales.
- Meaning Trees and Original Meanings: reading forks of 盛, 彈, 說, 轉.
- The IME Method: series guesses feed recall.
- The Pipelining Strategy: spoken-word days draw on series.
Open questions
Is seven a closed inventory, or do further groups earn a seat later?
How far the same series reasoning projects into other Sinitic varieties, Japanese, Korean, and Vietnamese is the job of The Hán-Việt Bridge, not a second table here.
Where sound-only components live, as a class, sits on Empty and Form.
Sources
Bernhard Karlgren, Grammata Serica Recensa (Stockholm: Museum of Far Eastern Antiquities, 1957). Phonetic series (諧聲) as the backbone of Old Chinese reconstruction.
William H. Baxter and Laurent Sagart, Old Chinese: A New Reconstruction (Oxford: Oxford University Press, 2014). Place-of-articulation families and the palatalization splits this page teaches as seven groups plus three crossings.
André-Georges Haudricourt’s tone-genesis account, as summarized in standard historical Chinese phonology: Old Chinese without meaning-distinguishing tones; modern tones later. Series membership can ignore tone; spoken Mandarin cannot.