irrtevsIrrtumConfusable pair

Quick tell: irrte is a verb, Irrtum is a noun, so they fill different roles in a sentence.

Which to use

“irrte” is a verb and “Irrtum” is a noun - they look or sound alike but fill different roles in a sentence.

#46,755
“irrte” frequency rank
#9,049
“Irrtum” frequency rank
55804
confusion score

Side-by-Side Comparison

Feature irrte Irrtum
Definition 1. Person Singular Indikativ Präteritum Aktiv des Verbs irren unabsichtlich falsche Annahme

Where the eye mixes irrte and Irrtum

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. irrte runs 5 letters (VCCCV) against Irrtum's 6 (VCCCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
irrte
6 ch
Irrtum

Look-alike desk: irrte vs Irrtum

These two trip readers on the page rather than in the ear: irrte is [ˈɪʁtə] while Irrtum is [ˈɪʁtuːm]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 55804, derived from the frequency rank of both members and their visual similarity.

irrte is recorded at frequency rank #46,755, classified as averb, pronounced [ˈɪʁtə]. Irrtum is at rank #9,049, tagged as anoun, pronounced [ˈɪʁtuːm].

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 55804, this pair ranks #965,070 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of irrte vs Irrtum

Shared letters: irt. Private to "irrte": e. Private to "Irrtum": mu.

"irrte" · 5 letters · shape VCCCV  ·  "Irrtum" · 6 letters · shape VCCCVC

Known mistypes of this pair

  • irrte ← irret · irrtte · irte · irtre · rirte
  • Irrtum ← irrtmu · irrttum · irrtumm · irrutm · irtrum · irtum · rirtum

Frequently Asked Questions

Is swapping "irrte" for "Irrtum" ever safe?
No - they are not even the same part of speech. "irrte" is a verb and "Irrtum" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "irrte" or "Irrtum" show up more?
"Irrtum" is the more common of the two: it sits at frequency rank #9,049 in our German list, against #46,755 for "irrte". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "irrte" and "Irrtum" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "irrte" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Irrtum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #965,070 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "irrte" and "Irrtum" also get mixed up with nearby pairs, the highest-scored neighbour is "Irrer vs irrte". 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 #965,070 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