French /u/ vs /ø/
fou vs feu: same lips, very different tongue

French ou is the easy one — it's the "oo" in "food," just held pure. French eu looks related. Both words use lip rounding. But where ou has the tongue at the back, eu has the tongue pushed all the way forward. It's the invisible part you can't hear without training.

The ABX drill plays two reference sounds then a mystery X. Identify which one X matches. Five rounds and your ear will start filing these into two separate categories.

👄Both use lip rounding
⬅️/u/ tongue is back
➡️/ø/ tongue is front
🚫/ø/ has no English equivalent
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 English speakers default to /u/ for both

In English, lip rounding and back tongue position always come together. There is no front-rounded vowel. So when you hear French "eu" (/ø/), your brain reaches for the nearest thing it knows — "oo" — and maps it to /u/. "Feu" becomes "foo." "Deux" becomes "doo." The rounding is right, but the tongue is in the wrong place.

The asymmetry is stark: /u/ (French "ou") is actually easy for English speakers — it's the same vowel as "food," just without the English tendency to add a brief /w/ glide before it. The hard part is entirely on the /ø/ side. Without deliberate ear training, /ø/ sounds like a slightly off version of /u/, and the brain accepts that and moves on.

The solution is not just learning to say /ø/ correctly — it's learning to hear it as a separate category from /u/. ABX drills build exactly that perceptual boundary.

Common mix-ups
  • ✗ fou (crazy) pronounced same as feu (fire)
  • ✗ doux (sweet/gentle) confused with deux (two)
  • ✗ nous (we) sounds like nœud (a knot)
  • ✗ French speakers notice immediately — it marks a persistent foreign accent
The tongue-slide trick

Say French "ou" — lips rounded, tongue at the back. Now, keeping your lips in exactly the same shape, slide your tongue to the front of your mouth (press it behind your lower teeth). That front-tongue position with back-style lips is /ø/. Try it with "fou" → "feu."

Production guide

How to produce /u/ and /ø/

/u/French "ou" — tout, vous, nous
  1. 1. Round your lips and push them forward slightly.
  2. 2. Tongue at the back of your mouth, raised.
  3. 3. Say "oo" as in "food" — no glide, just a pure steady vowel.
  4. 4. This is /u/. English speakers usually get this one quickly.
Anchor words: tout, vous, nous, jour, pour, amour, soupe
/ø/French "eu" — peu, deux, feu
  1. 1. Get your /u/ shape: lips rounded, pushed forward.
  2. 2. Keep the lip shape exactly — don't change it.
  3. 3. Slide your tongue from back to front (press it behind lower teeth).
  4. 4. Same lips, front tongue. That is /ø/.
Anchor words: peu, deux, feu, jeu, bleu, queue, nœud
The "oo-ee-oo" drill

Say "oo-ee-oo-ee" quickly. Notice: lips stay rounded for "oo" but your tongue shoots to the front for "ee." Now say "ee" with your lips still in the "oo" shape — freeze that combination. That is /ø/. The sound exists, you just haven't used it in English.

Click to hear

Minimal pairs: tap each word to hear it

Real words that differ only in the ou (/u/) vs eu (/ø/) contrast. Click to compare.

French "ou" /u/
French "eu" /ø/
crazy / mad
↔
fire
head louse
↔
a little / few
all / everything
↔
two
soft / limp
↔
them
coin / penny
↔
fire
More /u/ words (spelled "ou")
toutvousnousjourpouramourpoulesoupeloupchoufourouebouesousgenou
More /ø/ words (spelled "eu")
peudeuxceuxjeuvieuxmieuxeuxlieufeuqueuebleunœudyeuxcheveuxneveu
Common questions

Frequently asked

Explore more guides

French Minimal PairsAll French sound contrast guides

ou vs eu is just one of many French contrasts

MinimalPairs trains your ear on all the hard French vowel distinctions with ABX drills and personalized targeting.

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