isolavsisolantWhich spelling fits?

Quick tell: isola is a verb, isolant is an adjective, so they fill different roles in a sentence.

Which to use

“isola” is a verb and “isolant” is an adjective - they look or sound alike but fill different roles in a sentence.

#41,846
“isola” frequency rank
#23,912
“isolant” frequency rank
65758
confusion score

Side-by-Side Comparison

Feature isola isolant
Definition Troisième personne du singulier du passé simple de isoler. Qui ne transmet pas librement l’électricité.

Letter map: isola vs isolant

Shared letters muted; letters that set isola and isolant apart highlighted. Shared run: 5.

5 ch
isola
7 ch
isolant

Part-of-speech tell for isola / isolant

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: isola is averb and isolantanadjective. On the page they differ by 2 extra letter(s) - “isola” sits inside “isolant”. Our composite confusion score for this pair is 65758, derived from the frequency rank of both members and their visual similarity.

isola is recorded at frequency rank #41,846, classified as averb, pronounced \i.zɔ.la\. isolant is at rank #23,912, tagged as anadj.

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 65758, this pair ranks #70,917 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of isola vs isolant

Shared letters: ailos. Private to "isola": -. Private to "isolant": nt.

"isola" · 5 letters · shape VCVCV  ·  "isolant" · 7 letters · shape VCVCVCC

Known mistypes of this pair

  • isolaiosla · isloa · isoal · isolla · issola · siola
  • isolantioslant · isloant · isoalnt · isolannt · isolantt · isolatn · isollant · isolnat

Frequently Asked Questions

Is swapping "isola" for "isolant" ever safe?
No - they are not even the same part of speech. "isola" is a verb and "isolant" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "isola" or "isolant" show up more?
"isolant" is the more common of the two: it sits at frequency rank #23,912 in our French list, against #41,846 for "isola". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "isola" and "isolant".

  • Full dictionary entry for "isola" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "isolant" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,917 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "isola" and "isolant" also get mixed up with nearby pairs, the highest-scored neighbour is "Ilona vs isola". 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 #70,917 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