vieillivsvieillirWhat's the difference?

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

Which to use

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

#15,536
“vieilli” frequency rank
#14,821
“vieillir” frequency rank
30357
confusion score

Side-by-Side Comparison

Feature vieilli vieillir
Definition Qui a pris un coup de vieux. Devenir vieux.

Where the spellings diverge

Shared letters are muted; the letters that actually set vieilli and vieillir apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.

7 ch
vieilli
8 ch
vieillir

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: vieilli is \vje.ji\ while vieillir is \vje.jiʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “vieilli” sits inside “vieillir”, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 30357, derived from the frequency rank of both members and their visual similarity.

vieilli is recorded at frequency rank #15,536, classified as anadj, pronounced \vje.ji\. vieillir is at rank #14,821, tagged as averb, pronounced \vje.jiʁ\.

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 30357, this pair ranks #310,883 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vieilli vs vieillir

Shared letters: eilv. Private to "vieilli": -. Private to "vieillir": r.

"vieilli" · 7 letters · shape CVVVCCV  ·  "vieillir" · 8 letters · shape CVVVCCVC

Known mistypes of this pair

  • vieilliiveilli · veiilli · vieili · vieilil · vielili · viielli · vvieilli
  • vieilliriveillir · veiillir · vieililr · vieilir · vieillirr · vieillri · vielilir · viiellir

Frequency comparison

vieilli#15,536
vieillir#14,821

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "vieilli" and "vieillir" be used interchangeably?
No - they are not even the same part of speech. "vieilli" is an adjective and "vieillir" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "vieilli" or "vieillir"?
"vieillir" is the more common of the two: it sits at frequency rank #14,821 in our French list, against #15,536 for "vieilli". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering vieilli vs vieillir

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “vieilli”; for a verb, it's “vieillir”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “vieilli” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list