ISP vs it, What's the Difference?

Which to use

“ISP” is a noun and “it” is a pronoun - they look or sound alike but fill different roles in a sentence.

#20,971
“ISP” frequency rank: #12
“it” frequency rank: 20983
confusion score

Side-by-Side Comparison

Feature	ISP	it
Definition	Initialism of interstellar polarization.	The third-person singular neuter personal pronoun used to refer to an inanimate object, abstract entity, or non-human living thing.

Letter map: ISP vs it

Shared letters muted; letters that set ISP and it apart highlighted. Shared run: 1.

3 ch

ISP

2 ch

Part-of-speech tell for ISP / it

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ISP is anoun and itapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 20983, derived from the frequency rank of both members and their visual similarity.

ISP is recorded at frequency rank #20,971, classified as anoun. it is at rank #12, tagged as apron, pronounced /ɪt/.

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 20983, this pair ranks #427,259 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ISP vs it

Shared letters: i. Private to "ISP": ps. Private to "it": t.

"ISP" · 3 letters · shape VCC · "it" · 2 letters · shape VC

Frequently Asked Questions

Can "ISP" and "it" be used interchangeably?

No - they are not even the same part of speech. "ISP" is a noun and "it" a pronoun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "ISP" or "it"?

"it" is the more common of the two: it sits at frequency rank #12 in our English list, against #20,971 for "ISP". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

Full dictionary entry for "ISP" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "it" - compare definitions side by side with the headword page. Word entry
This pair ranks #427,259 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"ISP" and "it" also get mixed up with nearby pairs, the highest-scored neighbour is "ISP vs ith". Nearby pair

Confusion rank #427,259 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.