Which to use
“approfondir” is a verb and “approfondis” is an adjective - they look or sound alike but fill different roles in a sentence.
- #10,824
- “approfondir” frequency rank
- #45,437
- “approfondis” frequency rank
- 56261
- confusion score
Side-by-Side Comparison
| Feature | approfondir | approfondis |
|---|---|---|
| Definition | Rendre plus profond, creuser plus avant. | Masculin pluriel de approfondi. |
Where the spellings diverge
Shared letters are muted; the letters that actually set approfondir and approfondis apart are highlighted. They share 10 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: approfondir is \a.pʁɔ.fɔ̃.diʁ\ while approfondis is \a.pʁɔ.fɔ̃.di\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - r in “approfondir” becomes s in “approfondis”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 56261, derived from the frequency rank of both members and their visual similarity.
approfondir is recorded at frequency rank #10,824, classified as averb, pronounced \a.pʁɔ.fɔ̃.diʁ\. approfondis is at rank #45,437, tagged as anadj, 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 56261, this pair ranks #122,209 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of approfondir vs approfondis
Shared letters: adfinopr. Private to "approfondir": -. Private to "approfondis": s.
"approfondir" · 11 letters · shape VCCCVCVCCVC · "approfondis" · 11 letters · shape VCCCVCVCCVC
Known mistypes of this pair
- approfondir ← apporfondir · apprfoondir · approffondir · approfnodir · approfodnir · approfonddir · approfondirr · approfondri
- approfondis ← apporfondis · apprfoondis · approffondis · approfnodis · approfodnis · approfonddis · approfondiss · approfondsi
Frequency comparison
Frequently Asked Questions
Can "approfondir" and "approfondis" be used interchangeably?
Which is more common, "approfondir" or "approfondis"?
Remembering approfondir vs approfondis
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “approfondir”; for an adjective, it's “approfondis”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “approfondir” entry
- Browse more pairs most likely to be confused. Most confusable