Which to use
“ina” is a contraction and “isi” is a noun - they look or sound alike but fill different roles in a sentence.
- #37,663
- “ina” frequency rank
- #39,822
- “isi” frequency rank
- 77485
- confusion score
Side-by-Side Comparison
| Feature | ina | isi |
|---|---|---|
| Definition | Contracción de la preposición in y el adjetivo posesivo a | El extranjero, tierra o país de donde uno no es. |
Where the eye mixes ina and isi
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. ina and isi follow the identical consonant-vowel pattern (VCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses ina with isi
These two trip readers on the page rather than in the ear: ina is [ˈɪnˠə] while isi is /ì.sí/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (contraction vs noun), which is usually the fastest check. Our composite confusion score for this pair is 77485, derived from the frequency rank of both members and their visual similarity.
ina is recorded at frequency rank #37,663, classified as acontraction, pronounced [ˈɪnˠə]. isi is at rank #39,822, tagged as anoun, pronounced /ì.sí/.
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 77485, this pair ranks #15,938 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of ina vs isi
Shared letters: i. Private to "ina": an. Private to "isi": s.
"ina" · 3 letters · shape VCV · "isi" · 3 letters · shape VCV
Frequently Asked Questions
Can "ina" and "isi" be used interchangeably?
Which is more common, "ina" or "isi"?
Useful next steps
Eye-level mix-up between "ina" and "isi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ina" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "isi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #15,938 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "ina" and "isi" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs iza". Nearby pair
Confusion rank #15,938 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.