Which to use
“IRB” is a noun and “ITC” is a name - they look or sound alike but fill different roles in a sentence.
- #33,690
- “IRB” frequency rank
- #34,549
- “ITC” frequency rank
- 68239
- confusion score
Side-by-Side Comparison
| Feature | IRB | ITC |
|---|---|---|
| Definition | Initialism of institutional review board, a committee that reviews the designs of proposed experiments to confirm whether all the methods proposed are ethical. | Initialism of Independent Television Commission. |
Letter map: IRB vs ITC
Shared letters muted; letters that set IRB and ITC apart highlighted. Shared run: 1.
Grammar separator: IRB vs ITC
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: IRB is anoun and ITCaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 68239, derived from the frequency rank of both members and their visual similarity.
IRB is recorded at frequency rank #33,690, classified as anoun. ITC is at rank #34,549, tagged as aname.
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 68239, this pair ranks #59,786 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of IRB vs ITC
Shared letters: i. Private to "IRB": br. Private to "ITC": ct.
"IRB" · 3 letters · shape VCC · "ITC" · 3 letters · shape VCC
Frequently Asked Questions
Do "IRB" and "ITC" mean the same thing in a sentence?
In ordinary English text, does "IRB" or "ITC" show up more?
What to do next
Done with this confusable. These links stay specific to "IRB" and "ITC".
- Full dictionary entry for "IRB" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ITC" - compare definitions side by side with the headword page. Word entry
- This pair ranks #59,786 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "IRB" and "ITC" also get mixed up with nearby pairs, the highest-scored neighbour is "ITC vs ith". Nearby pair
Confusion rank #59,786 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.