it vs iz, What's the Difference?

Which to use

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

#12
“it” frequency rank: #32,457
“iz” frequency rank: 32469
confusion score

Side-by-Side Comparison

Feature	it	iz
Definition	The third-person singular neuter personal pronoun used to refer to an inanimate object, abstract entity, or non-human living thing.	third-person singular simple present indicative of be

Letter map: it vs iz

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

2 ch

Part-of-speech tell for it / iz

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: it is apronoun and izaverb. On the page they differ by a single letter - t in “it” becomes z in “iz”. Our composite confusion score for this pair is 32469, derived from the frequency rank of both members and their visual similarity.

it is recorded at frequency rank #12, classified as apron, pronounced /ɪt/. iz is at rank #32,457, tagged as averb.

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 32469, this pair ranks #337,549 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of it vs iz

Shared letters: i. Private to "it": t. Private to "iz": z.

"it" · 2 letters · shape VC · "iz" · 2 letters · shape VC

Frequently Asked Questions

Is swapping "it" for "iz" ever safe?

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

Frequency check: "it" vs "iz" - which ranks higher?

"it" is the more common of the two: it sits at frequency rank #12 in our English list, against #32,457 for "iz". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "it" and "iz". Here's where to go from here.

Full dictionary entry for "it" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "iz" - compare definitions side by side with the headword page. Word entry
This pair ranks #337,549 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"it" and "iz" also get mixed up with nearby pairs, the highest-scored neighbour is "ith vs iz". Nearby pair

Confusion rank #337,549 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.