IrrtumvsIrrtümerTell them apart

Which to use

“Irrtum” and “Irrtümer” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,049
“Irrtum” frequency rank
#25,182
“Irrtümer” frequency rank
34231
confusion score

Side-by-Side Comparison

Feature Irrtum Irrtümer
Definition unabsichtlich falsche Annahme Nominativ Plural des Substantivs Irrtum

Where the eye mixes Irrtum and Irrtümer

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
Irrtum
8 ch
Irrtümer

Look-alike desk: Irrtum vs Irrtümer

A purely visual mix-up. Irrtum ([ˈɪʁtuːm]) and Irrtümer ([ˈɪʁtyːmɐ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 34231, derived from the frequency rank of both members and their visual similarity.

Irrtum is recorded at frequency rank #9,049, classified as anoun, pronounced [ˈɪʁtuːm]. Irrtümer is at rank #25,182, tagged as anoun, pronounced [ˈɪʁtyːmɐ].

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 34231, this pair ranks #1,668,088 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Irrtum vs Irrtümer

Shared letters: imrt. Private to "Irrtum": u. Private to "Irrtümer": .

"Irrtum" · 6 letters · shape VCCCVC  ·  "Irrtümer" · 8 letters · shape VCCCVCVC

Known mistypes of this pair

  • Irrtumirrtmu · irrttum · irrtumm · irrutm · irtrum · irtum · rirtum

Frequently Asked Questions

Do "Irrtum" and "Irrtümer" mean the same thing in a sentence?
No. They are said differently ([ˈɪʁtuːm] versus [ˈɪʁtyːmɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "Irrtum" or "Irrtümer" show up more?
"Irrtum" is the more common of the two: it sits at frequency rank #9,049 in our German list, against #25,182 for "Irrtümer". 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 "Irrtum" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Irrtümer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,668,088 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Irrtum" and "Irrtümer" also get mixed up with nearby pairs, the highest-scored neighbour is "irrte vs Irrtum". 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 #1,668,088 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