ainsvsaisesTell them apart

Which to use

“ains” and “aises” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#48,903
“ains” frequency rank
#41,636
“aises” frequency rank
90539
confusion score

Side-by-Side Comparison

Feature ains aises
Definition Pluriel de ain. Pluriel de aise.

Where the eye mixes ains and aises

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. ains runs 4 letters (VVCC) against aises's 5 (VVCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
ains
5 ch
aises

Why the eye confuses ains with aises

A purely visual mix-up. ains (\ɛ̃\) and aises (\ɛz\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 90539, derived from the frequency rank of both members and their visual similarity.

ains is recorded at frequency rank #48,903, classified as anoun, pronounced \ɛ̃\. aises is at rank #41,636, tagged as anoun, pronounced \ɛz\.

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 90539, this pair ranks #4,687 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ains vs aises

Shared letters: ais. Private to "ains": n. Private to "aises": e.

"ains" · 4 letters · shape VVCC  ·  "aises" · 5 letters · shape VVCVC

Known mistypes of this pair

  • ains ← ainns · ainss · aisn · ians
  • aises ← aisess · aisse · aisses · asies · iases

Frequently Asked Questions

Can "ains" and "aises" be used interchangeably?
No. They are said differently (\ɛ̃\ versus \ɛz\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ains" or "aises"?
"aises" is the more common of the two: it sits at frequency rank #41,636 in our French list, against #48,903 for "ains". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ains" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aises" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,687 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ains" and "aises" also get mixed up with nearby pairs, the highest-scored neighbour is "ains vs aves". 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 #4,687 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