IRDvsirezWhich spelling fits?

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

Which to use

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

#48,611
“IRD” frequency rank
#25,370
“irez” frequency rank
73981
confusion score

Side-by-Side Comparison

Feature IRD irez
Definition Établissement public à caractère scientifique et technologique (EPST) français, sous la tutelle des ministères chargés de la Recherche et de la Coopération, remplaçant l’Office de la recherche scientifique et technique outre-mer (ORSTOM). Deuxième personne du pluriel de l’indicatif futur simple de aller.

Letter map: IRD vs irez

Shared letters muted; letters that set IRD and irez apart highlighted. Shared run: 2.

3 ch
IRD
4 ch
irez

Grammar separator: IRD vs irez

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: IRD is aname and irezaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 73981, derived from the frequency rank of both members and their visual similarity.

IRD is recorded at frequency rank #48,611, classified as aname. 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 73981, this pair ranks #38,672 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of IRD vs irez

Shared letters: ir. Private to "IRD": d. Private to "irez": ez.

"IRD" · 3 letters · shape VCC  ·  "irez" · 4 letters · shape VCVC

Known mistypes of this pair

  • irezierz · irezz · irrez · irze

Frequently Asked Questions

Is swapping "IRD" for "irez" ever safe?
No - they are not even the same part of speech. "IRD" is a name and "irez" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "IRD" or "irez"?
"irez" is the more common of the two: it sits at frequency rank #25,370 in our French list, against #48,611 for "IRD". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "IRD" and "irez". Here's where to go from here.

  • Full dictionary entry for "IRD" 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 #38,672 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "IRD" and "irez" also get mixed up with nearby pairs, the highest-scored neighbour is "IRD vs isi". 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 #38,672 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