ratévsratioWhat's the difference?

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

Which to use

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

#3,217
“raté” frequency rank
#8,607
“ratio” frequency rank
11824
confusion score

Side-by-Side Comparison

Feature raté ratio
Definition Qui a raté, qui a échoué, qui n’a pas atteint son but. Proportion entre deux valeurs de même nature.

Where the eye mixes raté and ratio

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
raté
5 ch
ratio

Look-alike desk: raté vs ratio

These two trip readers on the page rather than in the ear: raté is \ʁa.te\ while ratio is \ʁa.sjo\. 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 11824, derived from the frequency rank of both members and their visual similarity.

raté is recorded at frequency rank #3,217, classified as anadj, pronounced \ʁa.te\. ratio is at rank #8,607, tagged as anoun, pronounced \ʁa.sjo\.

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 11824, this pair ranks #407,661 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of raté vs ratio

Shared letters: art. Private to "raté": é. Private to "ratio": io.

"raté" · 4 letters · shape CVCV  ·  "ratio" · 5 letters · shape CVCVV

Known mistypes of this pair

  • ratioartio · raito · ratoi · rattio · rratio · rtaio

Frequently Asked Questions

Is swapping "raté" for "ratio" ever safe?
No - they are not even the same part of speech. "raté" is an adjective and "ratio" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "raté" or "ratio" show up more?
"raté" is the more common of the two: it sits at frequency rank #3,217 in our French list, against #8,607 for "ratio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "raté" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ratio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #407,661 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "raté" and "ratio" also get mixed up with nearby pairs, the highest-scored neighbour is "ratio vs rôtir". 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 #407,661 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