rigidevsrigiditéConfusable pair

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

Which to use

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

#12,045
“rigide” frequency rank
#19,141
“rigidité” frequency rank
31186
confusion score

Side-by-Side Comparison

Feature rigide rigidité
Definition Qui ne plie pas, ne peut être déformé ni assoupli. Raideur, qualité de ce qui ne fléchit pas.

Where the eye mixes rigide and rigidité

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. rigide runs 6 letters (CVCVCV) against rigidité's 8 (CVCVCVCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
rigide
8 ch
rigidité

Look-alike desk: rigide vs rigidité

These two trip readers on the page rather than in the ear: rigide is \ʁi.ʒid\ while rigidité is \ʁi.ʒi.di.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 31186, derived from the frequency rank of both members and their visual similarity.

rigide is recorded at frequency rank #12,045, classified as anadj, pronounced \ʁi.ʒid\. rigidité is at rank #19,141, tagged as anoun, pronounced \ʁi.ʒi.di.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 31186, this pair ranks #305,436 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rigide vs rigidité

Shared letters: dgir. Private to "rigide": e. Private to "rigidité": té.

"rigide" · 6 letters · shape CVCVCV  ·  "rigidité" · 8 letters · shape CVCVCVCV

Known mistypes of this pair

  • rigide ← irgide · rgiide · rigdie · riggide · rigidde · rigied · riigde · rrigide

Frequently Asked Questions

Can "rigide" and "rigidité" be used interchangeably?
No - they are not even the same part of speech. "rigide" is an adjective and "rigidité" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "rigide" or "rigidité" show up more?
"rigide" is the more common of the two: it sits at frequency rank #12,045 in our French list, against #19,141 for "rigidité". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "rigide" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rigidité" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #305,436 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rigide" and "rigidité" also get mixed up with nearby pairs, the highest-scored neighbour is "regime vs rigide". 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 #305,436 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