Vietnamese → Cantonese
Cantonese uses 42 sounds. You already own 13 of them from Vietnamese. The other 29 are the work — and 23 of those are the dangerous kind: close enough to something you already say that you will substitute them without hearing yourself do it.
The silent swaps
Your mouth has something close enough to reach for. These survive for years precisely because they sound right to you — the fix is hearing the difference first, not trying harder.
the move: close, but not identical
Cantonese: Canton (in 廣東) · written "gw"
Your /k/ is the one in cá (fish).
the move: close → near-close
Cantonese: star · written "i before ng/k"
Your /i/ is the one in đi (to go).
the move: close → near-close
Cantonese: same · written "u before ng/k"
Your /u/ is the one in thu (autumn; to collect).
the move: aspirated
Cantonese: friend (in 朋友) · written "p"
Your /p/ is the one in họp (to meet, a meeting).
the move: longer
Cantonese: three · written "aa"
LONG a. saam1 三 vs sam1 心 — length changes the word.
Your /a/ is the one in ba (three; father).
the move: longer
Cantonese: to be (formal) · written "i"
Your /i/ is the one in đi (to go).
the move: longer
Cantonese: bitter · written "u"
Your /u/ is the one in thu (autumn; to collect).
the move: back → central
Cantonese: letter / to believe · written "eo"
Your /o/ is the one in cô (aunt; Miss; female teacher).
the move: plosive → affricate
Cantonese: middle · written "z"
Your /t/ is the one in tôi (I).
the move: plosive → affricate
Cantonese: to go out · written "c"
Your /tʰ/ is the one in thích (to like).
the move: rounded, longer
Cantonese: fragrant (Hong Kong's Hong) · written "oe"
Your /ɛ/ is the one in mẹ (mother).
the move: rounded, longer
Cantonese: fish · written "yu"
French u.
Your /i/ is the one in đi (to go).
the move: it glides, yours would hold still
Cantonese: four · written "ei"
Your /e/ is the one in đêm (night).
the move: it glides, yours would hold still
Cantonese: good · written "ou"
Your /o/ is the one in cô (aunt; Miss; female teacher).
the move: open-mid → near-open, front → central
Cantonese: heart · written "a"
SHORT a.
Your /ɛ/ is the one in mẹ (mother).
the move: close, but not identical
Cantonese: not · written "m (alone)"
A whole syllable with no vowel.
Your /m/ is the one in mẹ (mother).
Words you may say identically
Two or more Cantonese sounds landing on one sound of yours. Until the ear separates them, the mouth cannot — which is what the ear trainer is for.
Genuinely new
Nothing in Vietnamese sits close to these. They sound foreign in your mouth — which is the good news: you can hear that you are not saying them yet.
street
Closest thing you own: — but it glides, yours would hold still, longer.
to teach
Closest thing you own: — but it glides, yours would hold still, longer.
to open
Closest thing you own: — but it glides, yours would hold still, longer.
water
Closest thing you own: — but it glides, yours would hold still, back → central.
small
Closest thing you own: — but it glides, yours would hold still, open-mid → near-open, front → central.
nine
Closest thing you own: — but it glides, yours would hold still, open-mid → near-open, front → central.
Rhythm and pitch
The layer spelling never records, and the one that makes a correct sentence still sound foreign.
| Vietnamese | Cantonese | |
|---|---|---|
| Rhythm | Syllable-timed, one tone per syllable | Syllable-timed |
| Stress | No lexical stress. Every syllable carries its own tone and its own full vowel, and none is reduced. What sounds like stress to an English ear is a syllable holding its tone longer or louder for emphasis, and grammatical words (đã, sẽ, được) being said lighter and faster than content words. | No contrastive stress; prominence comes from particles and from changed tone (變調) lifting a syllable to tone 2. |
What you have that Cantonese doesn't
22 sounds with no job in Cantonese. They are not mistakes — but they are where an accent leaks in, because a sound you own is easy to use when a hard one is due.
The honest caveat
This is a prediction from the shape of two sound systems, not a recording of you. It says what your inventory makes likely — it cannot know that your Vietnamese has a regional variety that already owns one of these, or that you learned Cantonese from someone whose accent you copied. A teacher listening to you beats it. Use it to know what to listen for.
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