Which to use
“ill” is an adverb and “Inn” is a name - they look or sound alike but fill different roles in a sentence.
- #25,175
- “ill” frequency rank
- #8,396
- “Inn” frequency rank
- 33571
- confusion score
Side-by-Side Comparison
| Feature | ill | Inn |
|---|---|---|
| Definition | schlecht, falsch | der größte rechte Nebenfluss der oberen Donau; entspringt am Malojapass (Graubünden), bildet im Ober- und Mittellauf ein großes Alpenlängstal und mündet nach 510 km Flusslauf bei Passau in die Donau |
Where the eye mixes ill and Inn
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ill and Inn
These two trip readers on the page rather than in the ear: ill is [ɪl] while Inn is [ɪn]. 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 (adverb vs name), which is usually the fastest check. Our composite confusion score for this pair is 33571, derived from the frequency rank of both members and their visual similarity.
ill is recorded at frequency rank #25,175, classified as anadv, pronounced [ɪl]. Inn is at rank #8,396, tagged as aname, pronounced [ɪn].
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 33571, this pair ranks #1,682,979 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ill vs Inn
Shared letters: i. Private to "ill": l. Private to "Inn": n.
"ill" · 3 letters · shape VCC · "Inn" · 3 letters · shape VCC
Frequently Asked Questions
Can "ill" and "Inn" be used interchangeably?
In ordinary German text, does "ill" or "Inn" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ill" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Inn" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,682,979 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "ill" and "Inn" also get mixed up with nearby pairs, the highest-scored neighbour is "ill vs IMs". Nearby pair
Confusion rank #1,682,979 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.