arbitrevsarbitrerWhat's the difference?

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

Which to use

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

#4,038
“arbitre” frequency rank
#30,470
“arbitrer” frequency rank
34508
confusion score

Side-by-Side Comparison

Feature arbitre arbitrer
Definition Personne choisie pour terminer un différend. Décider en qualité d’arbitre.

Where the eye mixes arbitre and arbitrer

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
arbitre
8 ch
arbitrer

Look-alike desk: arbitre vs arbitrer

These two trip readers on the page rather than in the ear: arbitre is \aʁ.bitʁ\ while arbitrer is \aʁ.bi.tʁe\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “arbitre” sits inside “arbitrer”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 34508, derived from the frequency rank of both members and their visual similarity.

arbitre is recorded at frequency rank #4,038, classified as anoun, pronounced \aʁ.bitʁ\. arbitrer is at rank #30,470, tagged as averb, pronounced \aʁ.bi.tʁe\.

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 34508, this pair ranks #283,356 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of arbitre vs arbitrer

Shared letters: abeirt. Private to "arbitre": -. Private to "arbitrer": -.

"arbitre" · 7 letters · shape VCCVCCV  ·  "arbitrer" · 8 letters · shape VCCVCCVC

Known mistypes of this pair

  • arbitreabritre · arbbitre · arbirte · arbiter · arbitrre · arbittre · arbtire · aribtre
  • arbitrerabritrer · arbbitrer · arbirter · arbiterr · arbitrerr · arbitrrer · arbittrer · arbtirer

Frequently Asked Questions

Do "arbitre" and "arbitrer" mean the same thing in a sentence?
No - they are not even the same part of speech. "arbitre" is a noun and "arbitrer" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "arbitre" or "arbitrer" show up more?
"arbitre" is the more common of the two: it sits at frequency rank #4,038 in our French list, against #30,470 for "arbitrer". 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 "arbitre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arbitrer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #283,356 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "arbitre" and "arbitrer" also get mixed up with nearby pairs, the highest-scored neighbour is "arbitral vs arbitrer". 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 #283,356 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