IITvsisConfusable pair

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

Which to use

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

#32,441
“IIT” frequency rank
#8
“is” frequency rank
32449
confusion score

Side-by-Side Comparison

Feature IIT is
Definition Initialism of Indian Institutes of Technology. third-person singular simple present indicative of be

Letter map: IIT vs is

Shared letters muted; letters that set IIT and is apart highlighted. Shared run: 1.

3 ch
IIT
2 ch
is

Role in the sentence - IIT and is

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: IIT is aname and isaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 32449, derived from the frequency rank of both members and their visual similarity.

IIT is recorded at frequency rank #32,441, classified as aname. is is at rank #8, tagged as averb, pronounced /ɪz/.

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 32449, this pair ranks #337,732 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of IIT vs is

Shared letters: i. Private to "IIT": t. Private to "is": s.

"IIT" · 3 letters · shape VVC  ·  "is" · 2 letters · shape VC

Frequently Asked Questions

Can "IIT" and "is" be used interchangeably?
No - they are not even the same part of speech. "IIT" is a name and "is" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "IIT" vs "is" - which ranks higher?
"is" is the more common of the two: it sits at frequency rank #8 in our English list, against #32,441 for "IIT". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "IIT" vs "is" is on the table, pick a follow-up below.

  • Full dictionary entry for "IIT" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "is" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #337,732 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "IIT" and "is" also get mixed up with nearby pairs, the highest-scored neighbour is "IIT vs ith". Nearby pair

Confusion rank #337,732 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list