immunevsimmunitéTell them apart

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

Which to use

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

#45,105
“immune” frequency rank
#8,253
“immunité” frequency rank
53358
confusion score

Side-by-Side Comparison

Feature immune immunité
Definition Féminin singulier de immun. Exemption d’impôts, de devoirs, de charges, etc.

Where the eye mixes immune and immunité

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
immune
8 ch
immunité

Visual trap between immune and immunité

These two trip readers on the page rather than in the ear: immune is \i.myn\ while immunité is \i.my.ni.te\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 53358, derived from the frequency rank of both members and their visual similarity.

immune is recorded at frequency rank #45,105, classified as anadj, pronounced \i.myn\. immunité is at rank #8,253, tagged as anoun, pronounced \i.my.ni.te\.

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 53358, this pair ranks #141,260 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of immune vs immunité

Shared letters: imnu. Private to "immune": e. Private to "immunité": .

"immune" · 6 letters · shape VCCVCV  ·  "immunité" · 8 letters · shape VCCVCVCV

Known mistypes of this pair

  • immuneimmnue · immuen · immunne · imumne · imune · mimune

Frequently Asked Questions

Can "immune" and "immunité" be used interchangeably?
No - they are not even the same part of speech. "immune" is an adjective and "immunité" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "immune" or "immunité" show up more?
"immunité" is the more common of the two: it sits at frequency rank #8,253 in our French list, against #45,105 for "immune". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "immune" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "immunité" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #141,260 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "immune" and "immunité" also get mixed up with nearby pairs, the highest-scored neighbour is "immune vs impuni". 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 #141,260 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