French /o/ vs /ɔ̃/
beau vs bon: oral "oh" vs nasal "ohn"

Both o and on are rounded back vowels. Oral /o/ is tight and closed. Nasal /ɔ̃/ opens up a little and adds airflow through the nose. The "n" you see in writing is never pronounced as a consonant — it's a nasal signal, nothing more.

The ABX drill on the right plays two reference sounds then a mystery sound X. Pick which one X matches. Your ear will get sharper after a few rounds.

🔄Both rounded back vowels
👃Nasal airflow differs
🤐No "n" consonant spoken
↕️Vowel height shifts
Can you hear the difference?
How it works: You'll hear sound A, sound B, then a mystery sound X. Choose whether X sounds like A or B. Words are revealed after you answer.
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Listen carefully...

Mystery sound

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The problem

Why /ɔ̃/ gets collapsed into /o/ (or into English "own")

English has an "oh" vowel (like in "go" or "no") but it usually glides — it's really a diphthong that starts rounded and ends even more rounded. French /o/ is a pure, short, un-gliding rounded vowel. Different already. Then French /ɔ̃/ adds nasality, something English doesn't do phonemically.

Most English speakers default to one of two errors: they pronounce "bon" as "bone" (with an English diphthong plus a full n), or they produce an oral /o/ for both "beau" and "bon" and rely on context. French listeners can usually hear both mistakes immediately.

The trick is to hold the vowel steady without gliding and let the soft palate drop for the nasal version. No n consonant, no diphthong. Just two different vowels that happen to be one nasal-airflow change apart.

What happens without training
  • ✗ You say beau (beautiful) but mean bon (good)
  • ✗ You say saut (jump) but mean son (his)
  • ✗ You pronounce the final n as a real consonant
  • ✗ "Bon" comes out as English "bone"
What changes with ear training
  • ✓ Nasal airflow becomes a reliable audible cue
  • ✓ You stop pronouncing a silent n as a consonant
  • ✓ Possessive "mon/son/ton" stops getting confused with mot/son (word/his)
Production guide

How to produce /o/ and /ɔ̃/

/o/Closed "o" — beau, mot, dos
  1. 1. Say English "oh" but stop before it glides.
  2. 2. Tongue back, lips tightly rounded.
  3. 3. Keep the vowel short and steady — no slide.
  4. 4. Soft palate stays up. Pinch your nose: no change.
Anchor words: beau, dos, mot, pot, tôt, saut, eau
/ɔ̃/Nasal "on/om" — bon, mon, pont
  1. 1. Start from the "aw" in British "hot" — tongue back, lips rounded.
  2. 2. Jaw a notch more open than /o/.
  3. 3. Let the soft palate drop; air flows through the nose.
  4. 4. Sustain the vowel. Never close to an actual n.
Anchor words: bon, mon, son, pont, long, nom, don
The vowel-doubling trap

Watch out for "bonne" (feminine of bon). The double n means the vowel goes oral and the n consonant is pronounced. Bon = /bɔ̃/. Bonne = /bɔn/. Same with homme, pomme, comme — double consonant, oral vowel, real consonant.

Already speak Portuguese?

Portuguese "bom," "som," "bon dia" all use a nasalized back vowel very close to French /ɔ̃/. Polish ą and some varieties of Hindi give you the same airflow. You already know the mechanics — just connect them to French spelling.

Click to hear

Minimal pairs: tap each word to hear it

Real French words that differ only in oral /o/ vs nasal /ɔ̃/. Click each one to compare.

Oral "o" /o/
Nasal "on" /ɔ̃/
beautiful
↔
good
jump
↔
his
early
↔
your
word
↔
my
back (body part)
↔
gift
More /o/ words (oral)
beaudosmotpotseautôtsautpaumechaudeaurose
More /ɔ̃/ words (nasal)
bonlongnompontrondsontonmonfondvontdonmonde
Common questions

Frequently asked

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