Which to use
“iso” and “isu” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,771
- “iso” frequency rank
- #37,989
- “isu” frequency rank
- 47760
- confusion score
Side-by-Side Comparison
| Feature | iso | isu |
|---|---|---|
| Definition | Clipping of isolation. | An individual seat in the loft-like balcony of a sumo arena. |
Letter map: iso vs isu
Shared letters muted; letters that set iso and isu apart highlighted. Shared run: 2.
Spelling & dictionary notes on iso vs isu
iso and isu are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - o in “iso” becomes u in “isu”. Our composite confusion score for this pair is 47760, derived from the frequency rank of both members and their visual similarity.
iso is recorded at frequency rank #9,771, classified as anoun, pronounced /ˈaɪsəʊ/. isu is at rank #37,989, tagged as anoun.
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 47760, this pair ranks #199,463 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of iso vs isu
Shared letters: is. Private to "iso": o. Private to "isu": u.
"iso" · 3 letters · shape VCV · "isu" · 3 letters · shape VCV
Frequently Asked Questions
Do "iso" and "isu" mean the same thing in a sentence?
Which is more common, "iso" or "isu"?
What to do next
You've compared "iso" and "isu". Here's where to go from here.
- Full dictionary entry for "iso" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "isu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #199,463 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "iso" and "isu" also get mixed up with nearby pairs, the highest-scored neighbour is "isu vs ith". Nearby pair
Confusion rank #199,463 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.