Which to use
“iff” is a conjunction and “ITC” is a name - they look or sound alike but fill different roles in a sentence.
- #45,443
- “iff” frequency rank
- #34,549
- “ITC” frequency rank
- 79992
- confusion score
Side-by-Side Comparison
| Feature | iff | ITC |
|---|---|---|
| Definition | Abbreviation of if and only if. | Initialism of Independent Television Commission. |
Letter map: iff vs ITC
Shared letters muted; letters that set iff and ITC apart highlighted. Shared run: 1. iff and ITC follow the identical consonant-vowel pattern (VCC). Same shape at a glance is often the real trap, independent of shared letters.
Role in the sentence - iff and ITC
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: iff is aconjunction and ITCaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 79992, derived from the frequency rank of both members and their visual similarity.
iff is recorded at frequency rank #45,443, classified as aconj, pronounced /ɪf ən(d)ˈəʊn.li ɪf/. 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 79992, this pair ranks #20,814 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of iff vs ITC
Shared letters: i. Private to "iff": f. Private to "ITC": ct.
"iff" · 3 letters · shape VCC · "ITC" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "iff" for "ITC" ever safe?
Frequency check: "iff" vs "ITC" - which ranks higher?
What to do next
Pair "iff" vs "ITC" is on the table, pick a follow-up below.
- Full dictionary entry for "iff" 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 #20,814 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "iff" and "ITC" also get mixed up with nearby pairs, the highest-scored neighbour is "iff vs ith". Nearby pair
Confusion rank #20,814 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.