IlmvsisleTell them apart

Quick tell: Ilm is a name, isle is a noun, so they fill different roles in a sentence.

Which to use

“Ilm” is a name and “isle” is a noun - they look or sound alike but fill different roles in a sentence.

#34,185
“Ilm” frequency rank
#41,260
“isle” frequency rank
75445
confusion score

Side-by-Side Comparison

Feature Ilm isle
Definition ein Fluss in Deutschland, Nebenfluss der Saale die Insel oder kleine Insel

Letter map: Ilm vs isle

Shared letters muted; letters that set Ilm and isle apart highlighted. Shared run: 2. Ilm runs 3 letters (VCC) against isle's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
Ilm
4 ch
isle

Grammar separator: Ilm vs isle

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Ilm is aname and isleanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 75445, derived from the frequency rank of both members and their visual similarity.

Ilm is recorded at frequency rank #34,185, classified as aname, pronounced […]. 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 75445, this pair ranks #307,818 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Ilm vs isle

Shared letters: il. Private to "Ilm": m. Private to "isle": es.

"Ilm" · 3 letters · shape VCC  ·  "isle" · 4 letters · shape VCCV

Known mistypes of this pair

  • isle ← isel · islle · issle · sile

Frequently Asked Questions

Do "Ilm" and "isle" mean the same thing in a sentence?
No - they are not even the same part of speech. "Ilm" is a name and "isle" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Ilm" or "isle"?
"Ilm" is the more common of the two: it sits at frequency rank #34,185 in our German list, against #41,260 for "isle". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "Ilm" and "isle".

  • Full dictionary entry for "Ilm" 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 #307,818 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Ilm" 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 #307,818 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