Which to use
“ith” is an adjective and “iz” is a verb - they look or sound alike but fill different roles in a sentence.
- #49,435
- “ith” frequency rank
- #32,457
- “iz” frequency rank
- 81892
- confusion score
Side-by-Side Comparison
| Feature | ith | iz |
|---|---|---|
| Definition | Occurring at position i in a sequence. | third-person singular simple present indicative of be |
Letter map: ith vs iz
Shared letters muted; letters that set ith and iz apart highlighted. Shared run: 1.
Part-of-speech tell for ith / iz
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ith is anadjective and izaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 81892, derived from the frequency rank of both members and their visual similarity.
ith is recorded at frequency rank #49,435, classified as anadj, pronounced /aɪθ/. 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 81892, this pair ranks #16,761 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of ith vs iz
Shared letters: i. Private to "ith": ht. Private to "iz": z.
"ith" · 3 letters · shape VCC · "iz" · 2 letters · shape VC
Frequently Asked Questions
Do "ith" and "iz" mean the same thing in a sentence?
Which is more common, "ith" or "iz"?
What to do next
Pair "ith" vs "iz" is on the table, pick a follow-up below.
- Full dictionary entry for "ith" 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 #16,761 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ith" and "iz" also get mixed up with nearby pairs, the highest-scored neighbour is "ISR vs ith". Nearby pair
Confusion rank #16,761 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.