il vs isi, What's the Difference?

Which to use

“il” and “isi” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,175
“il” frequency rank: #39,822
“isi” frequency rank: 46997
confusion score

Side-by-Side Comparison

Feature	il	isi
Definition	Año.	El extranjero, tierra o país de donde uno no es.

Where the eye mixes il and isi

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch

3 ch

isi

Look-alike desk: il vs isi

A purely visual mix-up. il ([ˈil]) and isi (/ì.sí/) 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 1 letter(s) in length. Our composite confusion score for this pair is 46997, derived from the frequency rank of both members and their visual similarity.

il is recorded at frequency rank #7,175, classified as anoun, pronounced [ˈil]. 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 46997, this pair ranks #122,568 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of il vs isi

Shared letters: i. Private to "il": l. Private to "isi": s.

"il" · 2 letters · shape VC · "isi" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "il" for "isi" ever safe?

No. They are said differently ([ˈil] versus /ì.sí/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "il" vs "isi" - which ranks higher?

"il" is the more common of the two: it sits at frequency rank #7,175 in our Spanish list, against #39,822 for "isi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

Full dictionary entry for "il" 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 #122,568 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"il" and "isi" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs iza". Nearby pair

Confusion rank #122,568 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.