isuvsitsTell them apart

Quick tell: isu is a noun, its is a determiner, so they fill different roles in a sentence.

Which to use

“isu” is a noun and “its” is a determiner - they look or sound alike but fill different roles in a sentence.

#37,989
“isu” frequency rank
#75
“its” frequency rank
38064
confusion score

Side-by-Side Comparison

Feature isu its
Definition An individual seat in the loft-like balcony of a sumo arena. Belonging to it.

Letter map: isu vs its

Shared letters muted; letters that set isu and its apart highlighted. Shared run: 2.

3 ch
isu
3 ch
its

Grammar separator: isu vs its

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: isu is anoun and itsadeterminer. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 38064, derived from the frequency rank of both members and their visual similarity.

isu is recorded at frequency rank #37,989, classified as anoun. its is at rank #75, tagged as adet, pronounced /ɪts/.

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 38064, this pair ranks #289,129 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of isu vs its

Shared letters: is. Private to "isu": u. Private to "its": t.

"isu" · 3 letters · shape VCV  ·  "its" · 3 letters · shape VCC

Frequently Asked Questions

Can "isu" and "its" be used interchangeably?
No - they are not even the same part of speech. "isu" is a noun and "its" a determiner, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "isu" or "its"?
"its" is the more common of the two: it sits at frequency rank #75 in our English list, against #37,989 for "isu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "isu" and "its".

  • Full dictionary entry for "isu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "its" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #289,129 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "isu" and "its" also get mixed up with nearby pairs, the highest-scored neighbour is "isu vs ith". Nearby pair

Confusion rank #289,129 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