idevsisleWhat's the difference?

Which to use

“ide” and “isle” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,195
“ide” frequency rank
#9,198
“isle” frequency rank
33393
confusion score

Side-by-Side Comparison

Feature ide isle
Definition A freshwater fish of the family Cyprinidae, found across northern Europe and Asia, especially Leuciscus idus. An island, usually very small. Compare with islet.

Where the eye mixes ide and isle

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

3 ch
ide
4 ch
isle

Why the eye confuses ide with isle

A purely visual mix-up. ide (/aɪd/) and isle (/aɪ̯l/) 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 33393, derived from the frequency rank of both members and their visual similarity.

ide is recorded at frequency rank #24,195, classified as anoun, pronounced /aɪd/. isle is at rank #9,198, tagged as anoun, pronounced /aɪ̯l/.

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 33393, this pair ranks #329,818 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ide vs isle

Shared letters: ei. Private to "ide": d. Private to "isle": ls.

"ide" · 3 letters · shape VCV  ·  "isle" · 4 letters · shape VCCV

Known mistypes of this pair

  • isleilse · isel · islle · issle · sile

Frequently Asked Questions

Can "ide" and "isle" be used interchangeably?
No. They are said differently (/aɪd/ versus /aɪ̯l/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ide" vs "isle" - which ranks higher?
"isle" is the more common of the two: it sits at frequency rank #9,198 in our English list, against #24,195 for "ide". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "ide" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "isle" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #329,818 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ide" and "isle" also get mixed up with nearby pairs, the highest-scored neighbour is "ide vs ith". 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 #329,818 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list