Which to use
“IQ” and “IRC” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,975
- “IQ” frequency rank
- #33,314
- “IRC” frequency rank
- 81289
- confusion score
Side-by-Side Comparison
| Feature | IQ | IRC |
|---|---|---|
| Definition | QI, quotient intellectuel. | Protocole de communication textuelle instantanée utilisé sur Internet, créé en 1988 par un étudiant de l’université d’Oulu, en Finlande. |
Where the eye mixes IQ and IRC
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between IQ and IRC
A purely visual mix-up. IQ (\iːˈkuː\) and IRC (\i ɛʁ se\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 81289, derived from the frequency rank of both members and their visual similarity.
IQ is recorded at frequency rank #47,975, classified as anoun, pronounced \iːˈkuː\. IRC is at rank #33,314, tagged as anoun, pronounced \i ɛʁ se\.
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 81289, this pair ranks #19,067 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of IQ vs IRC
Shared letters: i. Private to "IQ": q. Private to "IRC": cr.
"IQ" · 2 letters · shape VC · "IRC" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "IQ" for "IRC" ever safe?
Which is more common, "IQ" or "IRC"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "IQ" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "IRC" - compare definitions side by side with the headword page. Word entry
- This pair ranks #19,067 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "IQ" and "IRC" also get mixed up with nearby pairs, the highest-scored neighbour is "IQ vs isi". Nearby pair
Confusion rank #19,067 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.