aitvsaruWhich spelling fits?

Quick tell: ait is a verb, aru is a noun, so they fill different roles in a sentence.

Which to use

“ait” is a verb and “aru” is a noun - they look or sound alike but fill different roles in a sentence.

#538
“ait” frequency rank
#48,924
“aru” frequency rank
49462
confusion score

Side-by-Side Comparison

Feature ait aru
Definition Troisième personne du singulier du subjonctif présent du verbe auxiliaire avoir. Vagin.

Where the eye mixes ait and aru

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
ait
3 ch
aru

Look-alike desk: ait vs aru

These two trip readers on the page rather than in the ear: ait is \ɛ\ while aru is \aru\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49462, derived from the frequency rank of both members and their visual similarity.

ait is recorded at frequency rank #538, classified as averb, pronounced \ɛ\. aru is at rank #48,924, tagged as anoun, pronounced \aru\.

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 49462, this pair ranks #170,461 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ait vs aru

Shared letters: a. Private to "ait": it. Private to "aru": ru.

"ait" · 3 letters · shape VVC  ·  "aru" · 3 letters · shape VCV

Frequently Asked Questions

Can "ait" and "aru" be used interchangeably?
No - they are not even the same part of speech. "ait" is a verb and "aru" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ait" or "aru"?
"ait" is the more common of the two: it sits at frequency rank #538 in our French list, against #48,924 for "aru". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "ait" and "aru" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ait" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aru" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #170,461 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ait" and "aru" also get mixed up with nearby pairs, the highest-scored neighbour is "aru vs aur". Nearby pair

Confusion rank #170,461 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