idemvsirezTell them apart

Quick tell: idem is a adverb, irez is a verb, so they fill different roles in a sentence.

Which to use

“idem” is an adverb and “irez” is a verb - they look or sound alike but fill different roles in a sentence.

#6,513
“idem” frequency rank
#25,370
“irez” frequency rank
31883
confusion score

Side-by-Side Comparison

Feature idem irez
Definition De même, pareillement. On l’emploie pour éviter de répéter ce qui vient d’être dit ou écrit. Deuxième personne du pluriel de l’indicatif futur simple de aller.

Where the eye mixes idem and irez

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
idem
4 ch
irez

Look-alike desk: idem vs irez

These two trip readers on the page rather than in the ear: idem is \i.dɛm\ while irez is \i.ʁe\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 31883, derived from the frequency rank of both members and their visual similarity.

idem is recorded at frequency rank #6,513, classified as anadv, pronounced \i.dɛm\. irez is at rank #25,370, tagged as averb, pronounced \i.ʁe\.

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 31883, this pair ranks #300,965 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of idem vs irez

Shared letters: ei. Private to "idem": dm. Private to "irez": rz.

"idem" · 4 letters · shape VCVC  ·  "irez" · 4 letters · shape VCVC

Known mistypes of this pair

  • idemdiem · iddem · idemm · idme · iedm
  • irezierz · irezz · irrez · irze

Frequently Asked Questions

Do "idem" and "irez" mean the same thing in a sentence?
No - they are not even the same part of speech. "idem" is an adverb and "irez" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "idem" vs "irez" - which ranks higher?
"idem" is the more common of the two: it sits at frequency rank #6,513 in our French list, against #25,370 for "irez". 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 "idem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "irez" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #300,965 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "idem" and "irez" also get mixed up with nearby pairs, the highest-scored neighbour is "ime vs irez". 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 #300,965 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