Which to use
“isi” and “iso” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #39,822
- “isi” frequency rank
- #12,180
- “iso” frequency rank
- 52002
- confusion score
Side-by-Side Comparison
| Feature | isi | iso |
|---|---|---|
| Definition | El extranjero, tierra o país de donde uno no es. | Cielo |
Where the eye mixes isi and iso
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses isi with iso
A purely visual mix-up. isi (/ì.sí/) and iso (/ìsó/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - i in “isi” becomes o in “iso”. Our composite confusion score for this pair is 52002, derived from the frequency rank of both members and their visual similarity.
isi is recorded at frequency rank #39,822, classified as anoun, pronounced /ì.sí/. iso is at rank #12,180, tagged as anoun, pronounced /ìsó/.
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 52002, this pair ranks #94,917 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of isi vs iso
Shared letters: is. Private to "isi": -. Private to "iso": o.
"isi" · 3 letters · shape VCV · "iso" · 3 letters · shape VCV
Frequently Asked Questions
Is swapping "isi" for "iso" ever safe?
Frequency check: "isi" vs "iso" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "isi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "iso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #94,917 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "isi" and "iso" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs iza". Nearby pair
Confusion rank #94,917 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.