addvsaitWhich spelling fits?

Which to use

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

#23,436
“add” frequency rank
#538
“ait” frequency rank
23974
confusion score

Side-by-Side Comparison

Feature add ait
Definition Additionner, ajouter. Troisième personne du singulier du subjonctif présent du verbe auxiliaire avoir.

Where the eye mixes add and ait

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

3 ch
add
3 ch
ait

Visual trap between add and ait

A purely visual mix-up. add (\æd\) and ait (\ɛ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23974, derived from the frequency rank of both members and their visual similarity.

add is recorded at frequency rank #23,436, classified as averb, pronounced \æd\. ait is at rank #538, tagged as averb, pronounced \ɛ\.

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 23974, this pair ranks #349,386 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of add vs ait

Shared letters: a. Private to "add": d. Private to "ait": it.

"add" · 3 letters · shape VCC  ·  "ait" · 3 letters · shape VVC

Frequently Asked Questions

Can "add" and "ait" be used interchangeably?
No. They are said differently (\æd\ versus \ɛ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "add" vs "ait" - which ranks higher?
"ait" is the more common of the two: it sits at frequency rank #538 in our French list, against #23,436 for "add". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "add" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ait" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #349,386 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "add" and "ait" also get mixed up with nearby pairs, the highest-scored neighbour is "add vs aur". Nearby pair

Confusion rank #349,386 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