Which to use
“irre” is an adjective and “isle” is a noun - they look or sound alike but fill different roles in a sentence.
- #4,524
- “irre” frequency rank
- #41,260
- “isle” frequency rank
- 45784
- confusion score
Side-by-Side Comparison
| Feature | irre | isle |
|---|---|---|
| Definition | an einer Störung oder Fehlleistung des Geistes- und Seelenlebens (= Geisteskrankheit) leidend | die Insel oder kleine Insel |
Where the eye mixes irre and isle
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. irre and isle follow the identical consonant-vowel pattern (VCCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses irre with isle
These two trip readers on the page rather than in the ear: irre is [ˈɪʁə] while isle is [aɪl]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45784, derived from the frequency rank of both members and their visual similarity.
irre is recorded at frequency rank #4,524, classified as anadj, pronounced [ˈɪʁə]. isle is at rank #41,260, tagged as anoun, pronounced [aɪl].
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 45784, this pair ranks #1,341,327 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of irre vs isle
Shared letters: ei. Private to "irre": r. Private to "isle": ls.
"irre" · 4 letters · shape VCCV · "isle" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "irre" for "isle" ever safe?
In ordinary German text, does "irre" or "isle" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "irre" 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 #1,341,327 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "irre" and "isle" also get mixed up with nearby pairs, the highest-scored neighbour is "ile vs isle". 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 #1,341,327 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.