InnvsinnerTell them apart

Quick tell: Inn is a name, inner is a preposition, so they fill different roles in a sentence.

Which to use

“Inn” is a name and “inner” is a preposition - they look or sound alike but fill different roles in a sentence.

#8,396
“Inn” frequency rank
#17,331
“inner” frequency rank
25727
confusion score

Side-by-Side Comparison

Feature Inn inner
Definition 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 in der

Where the eye mixes Inn and inner

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
Inn
5 ch
inner

Why the eye confuses Inn with inner

These two trip readers on the page rather than in the ear: Inn is [ɪn] while inner is [ˈɪnɐ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “Inn” sits inside “inner”, and the parts of speech differ too (name vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 25727, derived from the frequency rank of both members and their visual similarity.

Inn is recorded at frequency rank #8,396, classified as aname, pronounced [ɪn]. inner is at rank #17,331, tagged as aprep, pronounced [ˈɪnɐ].

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 25727, this pair ranks #1,828,887 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Inn vs inner

Shared letters: in. Private to "Inn": -. Private to "inner": er.

"Inn" · 3 letters · shape VCC  ·  "inner" · 5 letters · shape VCCVC

Known mistypes of this pair

  • innerinenr · iner · innerr · innre · niner

Frequently Asked Questions

Can "Inn" and "inner" be used interchangeably?
No - they are not even the same part of speech. "Inn" is a name and "inner" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Inn" or "inner" show up more?
"Inn" is the more common of the two: it sits at frequency rank #8,396 in our German list, against #17,331 for "inner". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Inn" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "inner" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,828,887 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Inn" and "inner" also get mixed up with nearby pairs, the highest-scored neighbour is "IMs vs Inn". 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 #1,828,887 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list