moisivsmoitiéWhat's the difference?

Quick tell: moisi is a adjective, moitié is a noun, so they fill different roles in a sentence.

Which to use

“moisi” is an adjective and “moitié” is a noun - they look or sound alike but fill different roles in a sentence.

#32,913
“moisi” frequency rank
#849
“moitié” frequency rank
33762
confusion score

Side-by-Side Comparison

Feature moisi moitié
Definition Attaqué par la moisissure. L’une des parties d’un tout divisé, partagé également en deux.

Where the eye mixes moisi and moitié

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. moisi runs 5 letters (CVVCV) against moitié's 6 (CVVCVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
moisi
6 ch
moitié

Visual trap between moisi and moitié

These two trip readers on the page rather than in the ear: moisi is \mwa.zi\ while moitié is \mwa.tje\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 33762, derived from the frequency rank of both members and their visual similarity.

moisi is recorded at frequency rank #32,913, classified as anadj, pronounced \mwa.zi\. moitié is at rank #849, tagged as anoun, pronounced \mwa.tje\.

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 33762, this pair ranks #288,423 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of moisi vs moitié

Shared letters: imo. Private to "moisi": s. Private to "moitié": té.

"moisi" · 5 letters · shape CVVCV  ·  "moitié" · 6 letters · shape CVVCVV

Known mistypes of this pair

  • moisi ← miosi · mmoisi · moiis · moissi · mosii · omisi

Frequently Asked Questions

Can "moisi" and "moitié" be used interchangeably?
No - they are not even the same part of speech. "moisi" is an adjective and "moitié" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "moisi" vs "moitié" - which ranks higher?
"moitié" is the more common of the two: it sits at frequency rank #849 in our French list, against #32,913 for "moisi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "moisi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "moitié" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #288,423 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "moisi" and "moitié" also get mixed up with nearby pairs, the highest-scored neighbour is "moisi vs moisie". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #288,423 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