centainevscertaineWhat's the difference?

Quick tell: centaine is a noun, certaine is an adjective, so they fill different roles in a sentence.

Which to use

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

#4,734
“centaine” frequency rank
#1,321
“certaine” frequency rank
6055
confusion score

Side-by-Side Comparison

Feature centaine certaine
Definition Un nombre de cent ou environ. Féminin singulier de certain.

Where the spellings diverge

Shared letters are muted; the letters that actually set centaine and certaine apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

8 ch
centaine
8 ch
certaine

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: centaine is \sɑ̃.tɛn\ while certaine is \sɛʁ.tɛn\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - n in “centaine” becomes r in “certaine”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 6055, derived from the frequency rank of both members and their visual similarity.

centaine is recorded at frequency rank #4,734, classified as anoun, pronounced \sɑ̃.tɛn\. certaine is at rank #1,321, 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 6055, this pair ranks #427,311 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of centaine vs certaine

Shared letters: aceint. Private to "centaine": -. Private to "certaine": r.

"centaine" · 8 letters · shape CVCCVVCV  ·  "certaine" · 8 letters · shape CVCCVVCV

Known mistypes of this pair

  • centaineccentaine · cenatine · cenntaine · centaien · centainne · centanie · centiane · centtaine
  • certaineccertaine · ceratine · cerrtaine · certaien · certainne · certanie · certiane · certtaine

Frequency comparison

centaine#4,734
certaine#1,321

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "centaine" and "certaine" be used interchangeably?
No - they are not even the same part of speech. "centaine" is a noun and "certaine" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "centaine" or "certaine"?
"certaine" is the more common of the two: it sits at frequency rank #1,321 in our French list, against #4,734 for "centaine". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering centaine vs certaine

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “centaine”; for an adjective, it's “certaine”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “centaine” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list