moivsmouWhat's the difference?

Quick tell: moi is a pronoun, mou is an adjective, so they fill different roles in a sentence.

Which to use

“moi” is a pronoun and “mou” is an adjective - they look or sound alike but fill different roles in a sentence.

#73
“moi” frequency rank
#8,739
“mou” frequency rank
8812
confusion score

Side-by-Side Comparison

Feature moi mou
Definition Pronom tonique de la première personne du singulier. Qui cède facilement au toucher, qui reçoit facilement l’impression des autres corps.

Where the eye mixes moi and mou

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
moi
3 ch
mou

Visual trap between moi and mou

These two trip readers on the page rather than in the ear: moi is \mwa\ while mou is \mu\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “moi” becomes u in “mou”, and the parts of speech differ too (pronoun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 8812, derived from the frequency rank of both members and their visual similarity.

moi is recorded at frequency rank #73, classified as apron, pronounced \mwa\. mou is at rank #8,739, tagged as anadj, pronounced \mu\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 8812, this pair ranks #418,761 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of moi vs mou

Shared letters: mo. Private to "moi": i. Private to "mou": u.

"moi" · 3 letters · shape CVV  ·  "mou" · 3 letters · shape CVV

Frequently Asked Questions

Can "moi" and "mou" be used interchangeably?
No - they are not even the same part of speech. "moi" is a pronoun and "mou" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "moi" vs "mou" - which ranks higher?
"moi" is the more common of the two: it sits at frequency rank #73 in our French list, against #8,739 for "mou". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "moi" and "mou" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "moi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #418,761 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "moi" and "mou" also get mixed up with nearby pairs, the highest-scored neighbour is "mou vs MWh". Nearby pair

Confusion rank #418,761 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list