islavsistTell them apart

Quick tell: isla is a noun, ist is a verb, so they fill different roles in a sentence.

Which to use

“isla” is a noun and “ist” is a verb - they look or sound alike but fill different roles in a sentence.

#939
“isla” frequency rank
#41,994
“ist” frequency rank
42933
confusion score

Side-by-Side Comparison

Feature isla ist
Definition Territorio rodeado completamente por agua. Tercera persona del singular (er, sie, es) del presente de indicativo de sein.

Where the eye mixes isla and ist

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
isla
3 ch
ist

Why the eye confuses isla with ist

These two trip readers on the page rather than in the ear: isla is [ˈisla] while ist is /ɪst/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 42933, derived from the frequency rank of both members and their visual similarity.

isla is recorded at frequency rank #939, classified as anoun, pronounced [ˈisla]. ist is at rank #41,994, tagged as averb, pronounced /ɪst/.

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 42933, this pair ranks #145,472 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of isla vs ist

Shared letters: is. Private to "isla": al. Private to "ist": t.

"isla" · 4 letters · shape VCCV  ·  "ist" · 3 letters · shape VCC

Known mistypes of this pair

  • islailsa · isal · islla · issla

Frequently Asked Questions

Do "isla" and "ist" mean the same thing in a sentence?
No - they are not even the same part of speech. "isla" is a noun and "ist" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "isla" or "ist"?
"isla" is the more common of the two: it sits at frequency rank #939 in our Spanish list, against #41,994 for "ist". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "isla" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ist" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #145,472 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "isla" and "ist" also get mixed up with nearby pairs, the highest-scored neighbour is "ist vs iza". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #145,472 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list