illa vs isa, What's the Difference?

Which to use

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

#41,407
“illa” frequency rank: #17,738
“isa” frequency rank: 59145
confusion score

Side-by-Side Comparison

Feature	illa	isa
Definition	Isla.	Estilo musical vocal, en ritmo de tres cuartos, típico de las Islas Canarias.

Where the spellings diverge

Shared letters are muted; the letters that actually set illa and isa apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

illa

3 ch

isa

Spelling & Dictionary Insight

A purely visual mix-up. illa ([ˈi.ʎə]) and isa ([ˈisa]) 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 59145, derived from the frequency rank of both members and their visual similarity.

illa is recorded at frequency rank #41,407, classified as anoun, pronounced [ˈi.ʎə]. isa is at rank #17,738, tagged as anoun, pronounced [ˈisa].

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 59145, this pair ranks #63,754 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of illa vs isa

Shared letters: ai. Private to "illa": l. Private to "isa": s.

"illa" · 4 letters · shape VCCV · "isa" · 3 letters · shape VCV

Known mistypes of this pair

illa ← ila · ilal

Frequency comparison

illa#41,407

isa#17,738

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "illa" and "isa" be used interchangeably?

No. They are said differently ([ˈi.ʎə] versus [ˈisa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "illa" or "isa"?

"isa" is the more common of the two: it sits at frequency rank #17,738 in our Spanish list, against #41,407 for "illa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering illa vs isa

The fastest way to pick the right one every time.

Read both glosses above and match the meaning you intend, only context separates this pair.
See each word in full, definition, IPA, etymology and its other confusables. Full “illa” entry
Browse more pairs most likely to be confused. Most confusable