castesvscertesConfusable pair

Quick tell: castes is a noun, certes is an adverb, so they fill different roles in a sentence.

Which to use

“castes” is a noun and “certes” is an adverb - they look or sound alike but fill different roles in a sentence.

#31,394
“castes” frequency rank
#1,653
“certes” frequency rank
33047
confusion score

Side-by-Side Comparison

Feature castes certes
Definition Pluriel de caste. En vérité, sans mentir.

Where the eye mixes castes and certes

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
castes
6 ch
certes

Look-alike desk: castes vs certes

These two trip readers on the page rather than in the ear: castes is \kast\ while certes is \sɛʁt\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 33047, derived from the frequency rank of both members and their visual similarity.

castes is recorded at frequency rank #31,394, classified as anoun, pronounced \kast\. certes is at rank #1,653, tagged as anadv, pronounced \sɛʁt\.

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 33047, this pair ranks #293,206 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of castes vs certes

Shared letters: cest. Private to "castes": a. Private to "certes": r.

"castes" · 6 letters · shape CVCCVC  ·  "certes" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • castesacstes · casets · casstes · castess · castse · casttes · catses · ccastes
  • certesccertes · cerets · cerrtes · certess · certse · certtes · cetres · cretes

Frequently Asked Questions

Is swapping "castes" for "certes" ever safe?
No - they are not even the same part of speech. "castes" is a noun and "certes" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "castes" or "certes"?
"certes" is the more common of the two: it sits at frequency rank #1,653 in our French list, against #31,394 for "castes". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "castes" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "certes" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #293,206 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "castes" and "certes" also get mixed up with nearby pairs, the highest-scored neighbour is "castes vs causses". 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 #293,206 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