alliévsallierWhich spelling fits?

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

Which to use

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

#6,362
“allié” frequency rank
#8,807
“allier” frequency rank
15169
confusion score

Side-by-Side Comparison

Feature allié allier
Definition Qui est uni par une entente, un pacte politique ou par des liens résultant du mariage. Unir par une entente, un pacte. Ce verbe est alors généralement pronominal.

Same sound, different letters: allié vs allier

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 4 letters. allié runs 5 letters (VCCVV) against allier's 6 (VCCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
allié
6 ch
allier

Ear matches; page differs - allié and allier

Say them out loud and nothing separates them: allié and allier carry the same recorded pronunciation, \a.lje\. Grammar is what tells them apart: one is anadjective, the other averb, so most sentences will only accept one of them. They differ by 1 letter(s) in length. Our composite confusion score for this pair is 15169, derived from the frequency rank of both members and their visual similarity.

allié is recorded at frequency rank #6,362, classified as anadj, pronounced \a.lje\. allier is at rank #8,807, tagged as averb, pronounced \a.lje\.

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 15169, this pair ranks #393,549 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of allié vs allier

Shared letters: ail. Private to "allié": é. Private to "allier": er.

"allié" · 5 letters · shape VCCVV  ·  "allier" · 6 letters · shape VCCVVC

Known mistypes of this pair

  • allier ← alier · aliler · alleir · allierr · allire · lalier

Frequently Asked Questions

Can "allié" and "allier" be used interchangeably?
No - they are not even the same part of speech. "allié" is an adjective and "allier" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "allié" or "allier" show up more?
"allié" is the more common of the two: it sits at frequency rank #6,362 in our French list, against #8,807 for "allier". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

"allié" and "allier" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "allié" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "allier" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #393,549 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "allié" and "allier" also get mixed up with nearby pairs, the highest-scored neighbour is "allier vs Augier". 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 #393,549 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