expertisevsexpertisesWhat's the difference?

Which to use

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

#5,132
“expertise” frequency rank
#20,715
“expertises” frequency rank
25847
confusion score

Side-by-Side Comparison

Feature expertise expertises
Definition Examen, estimation d’un bien faits par un expert. Pluriel de expertise.

Same sound, different letters: expertise vs expertises

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 9 letters. expertise runs 9 letters (VCCVCCVCV) against expertises's 10 (VCCVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
expertise
10 ch
expertises

Homophone desk: expertise vs expertises

This is the hard kind. expertise and expertises are pronounced identically (\ɛk.spɛʁ.tiz\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “expertise” sits inside “expertises”. Our composite confusion score for this pair is 25847, derived from the frequency rank of both members and their visual similarity.

expertise is recorded at frequency rank #5,132, classified as anoun, pronounced \ɛk.spɛʁ.tiz\. expertises is at rank #20,715, tagged as anoun, pronounced \ɛk.spɛʁ.tiz\.

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 25847, this pair ranks #338,528 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of expertise vs expertises

Shared letters: eiprstx. Private to "expertise": -. Private to "expertises": -.

"expertise" · 9 letters · shape VCCVCCVCV  ·  "expertises" · 10 letters · shape VCCVCCVCVC

Known mistypes of this pair

  • expertise ← epxertise · exeprtise · experitse · experrtise · experties · expertisse · expertsie · experttise
  • expertises ← epxertises · exeprtises · experitses · experrtises · expertiess · expertisess · expertisses · expertsies

Frequently Asked Questions

Can "expertise" and "expertises" be used interchangeably?
No. They are pronounced the same (\ɛk.spɛʁ.tiz\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
Which is more common, "expertise" or "expertises"?
"expertise" is the more common of the two: it sits at frequency rank #5,132 in our French list, against #20,715 for "expertises". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "expertise" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "expertises" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #338,528 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "expertise" and "expertises" also get mixed up with nearby pairs, the highest-scored neighbour is "expertes vs expertises". 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 #338,528 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