approfondisvsapprofonditWhich spelling fits?

Quick tell: approfondis is a adjective, approfondit is a verb, so they fill different roles in a sentence.

Which to use

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

#45,437
“approfondis” frequency rank
#45,438
“approfondit” frequency rank
90875
confusion score

Side-by-Side Comparison

Feature approfondis approfondit
Definition Masculin pluriel de approfondi. Troisième personne du singulier de l’indicatif présent de approfondir.

Same sound, different letters: approfondis vs approfondit

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 10 letters. approfondis and approfondit follow the identical consonant-vowel pattern (VCCCVCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

11 ch
approfondis
11 ch
approfondit

Ear matches; page differs - approfondis and approfondit

Say them out loud and nothing separates them: approfondis and approfondit carry the same recorded pronunciation, \a.pʁɔ.fɔ̃.di\. Grammar is what tells them apart: one is anadjective, the other averb, so most sentences will only accept one of them. They differ by a single letter - s in “approfondis” becomes t in “approfondit”. Our composite confusion score for this pair is 90875, derived from the frequency rank of both members and their visual similarity.

approfondis is recorded at frequency rank #45,437, classified as anadj, pronounced \a.pʁɔ.fɔ̃.di\. approfondit is at rank #45,438, tagged as averb, pronounced \a.pʁɔ.fɔ̃.di\.

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 90875, this pair ranks #4,378 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of approfondis vs approfondit

Shared letters: adfinopr. Private to "approfondis": s. Private to "approfondit": t.

"approfondis" · 11 letters · shape VCCCVCVCCVC  ·  "approfondit" · 11 letters · shape VCCCVCVCCVC

Known mistypes of this pair

  • approfondis ← apporfondis · apprfoondis · approffondis · approfnodis · approfodnis · approfonddis · approfondiss · approfondsi
  • approfondit ← apporfondit · apprfoondit · approffondit · approfnodit · approfodnit · approfonddit · approfonditt · approfondti

Frequently Asked Questions

Can "approfondis" and "approfondit" be used interchangeably?
No - they are not even the same part of speech. "approfondis" is an adjective and "approfondit" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "approfondis" or "approfondit" show up more?
"approfondis" is the more common of the two: it sits at frequency rank #45,437 in our French list, against #45,438 for "approfondit". 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 "approfondis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "approfondit" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,378 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "approfondis" and "approfondit" also get mixed up with nearby pairs, the highest-scored neighbour is "approfondies vs approfondit". 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 #4,378 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