variabilitévsviabilitéWhat's the difference?

Which to use

“variabilité” and “viabilité” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,428
“variabilité” frequency rank
#24,432
“viabilité” frequency rank
48860
confusion score

Side-by-Side Comparison

Feature variabilité viabilité
Definition Disposition habituelle à varier. Caractère de ce qui est viable.

Where the eye mixes variabilité and viabilité

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

11 ch
variabilité
9 ch
viabilité

Why the eye confuses variabilité with viabilité

A purely visual mix-up. variabilité (\va.ʁja.bi.li.te\) and viabilité (\vja.bi.li.te\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 48860, derived from the frequency rank of both members and their visual similarity.

variabilité is recorded at frequency rank #24,428, classified as anoun, pronounced \va.ʁja.bi.li.te\. viabilité is at rank #24,432, tagged as anoun, pronounced \vja.bi.li.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 48860, this pair ranks #175,481 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of variabilité vs viabilité

Shared letters: abiltvé. Private to "variabilité": r. Private to "viabilité": -.

"variabilité" · 11 letters · shape CVCVVCVCVCV  ·  "viabilité" · 9 letters · shape CVVCVCVCV

Frequently Asked Questions

Is swapping "variabilité" for "viabilité" ever safe?
No. They are said differently (\va.ʁja.bi.li.te\ versus \vja.bi.li.te\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "variabilité" or "viabilité"?
"variabilité" is the more common of the two: it sits at frequency rank #24,428 in our French list, against #24,432 for "viabilité". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "variabilité" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "viabilité" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #175,481 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "variabilité" and "viabilité" also get mixed up with nearby pairs, the highest-scored neighbour is "viabilité vs virilité". Nearby pair

Confusion rank #175,481 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