certainvscertainesTell them apart

Which to use

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

#705
“certain” frequency rank
#476
“certaines” frequency rank
1181
confusion score

Side-by-Side Comparison

Feature certain certaines
Definition Indubitable. Féminin pluriel de certain.

Where the eye mixes certain and certaines

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
certain
9 ch
certaines

Look-alike desk: certain vs certaines

A purely visual mix-up. certain (\sɛʁ.tɛ̃\) and certaines (\sɛʁ.tɛn\) 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 extra letter(s) - “certain” sits inside “certaines”. Our composite confusion score for this pair is 1181, derived from the frequency rank of both members and their visual similarity.

certain is recorded at frequency rank #705, classified as anadj, pronounced \sɛʁ.tɛ̃\. certaines is at rank #476, tagged as anadj, pronounced \sɛʁ.tɛn\.

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 1181, this pair ranks #438,480 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of certain vs certaines

Shared letters: aceinrt. Private to "certain": -. Private to "certaines": s.

"certain" · 7 letters · shape CVCCVVC  ·  "certaines" · 9 letters · shape CVCCVVCVC

Known mistypes of this pair

  • certainccertain · ceratin · cerrtain · certainn · certani · certian · certtain · cetrain
  • certainesccertaines · ceratines · cerrtaines · certaiens · certainess · certainnes · certainse · certanies

Frequently Asked Questions

Can "certain" and "certaines" be used interchangeably?
No. They are said differently (\sɛʁ.tɛ̃\ versus \sɛʁ.tɛn\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "certain" or "certaines" show up more?
"certaines" is the more common of the two: it sits at frequency rank #476 in our French list, against #705 for "certain". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "certain" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "certaines" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #438,480 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "certain" and "certaines" also get mixed up with nearby pairs, the highest-scored neighbour is "certain vs châtain". 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 #438,480 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