adivsadieuTell them apart

Quick tell: adi is a adjective, adieu is an intj, so they fill different roles in a sentence.

Which to use

“adi” is an adjective and “adieu” is an intj - they look or sound alike but fill different roles in a sentence.

#39,134
“adi” frequency rank
#5,419
“adieu” frequency rank
44553
confusion score

Side-by-Side Comparison

Feature adi adieu
Definition Relatif aux Adis, peuple de l’Inde se trouvant sur les collines de l’Himalaya. Terme de civilité et d’amitié dont on se sert en prenant congé de quelqu’un qu’on ne reverra plus pendant une longue période, si ce n’est jamais.

Where the eye mixes adi and adieu

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

3 ch
adi
5 ch
adieu

Why the eye confuses adi with adieu

These two trip readers on the page rather than in the ear: adi is \a.di\ while adieu is \a.djø\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “adi” sits inside “adieu”, and the parts of speech differ too (adjective vs intj), which is usually the fastest check. Our composite confusion score for this pair is 44553, derived from the frequency rank of both members and their visual similarity.

adi is recorded at frequency rank #39,134, classified as anadj, pronounced \a.di\. adieu is at rank #5,419, tagged as anintj, pronounced \a.djø\.

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 44553, this pair ranks #209,622 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of adi vs adieu

Shared letters: adi. Private to "adi": -. Private to "adieu": eu.

"adi" · 3 letters · shape VCV  ·  "adieu" · 5 letters · shape VCVVV

Known mistypes of this pair

  • adieu ← addieu · adeiu · adiue · aideu · daieu

Frequently Asked Questions

Can "adi" and "adieu" be used interchangeably?
No - they are not even the same part of speech. "adi" is an adjective and "adieu" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "adi" vs "adieu" - which ranks higher?
"adieu" is the more common of the two: it sits at frequency rank #5,419 in our French list, against #39,134 for "adi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "adi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adieu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #209,622 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "adi" and "adieu" also get mixed up with nearby pairs, the highest-scored neighbour is "adi vs aur". 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 #209,622 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