irgendeinvsirgendeinesConfusable pair

Quick tell: irgendein is a pronoun, irgendeines is an unknown, so they fill different roles in a sentence.

Which to use

“irgendein” is a pronoun and “irgendeines” is an unknown - they look or sound alike but fill different roles in a sentence.

#5,093
“irgendein” frequency rank
#40,620
“irgendeines” frequency rank
45713
confusion score

Side-by-Side Comparison

Feature irgendein irgendeines
Definition etwas Beliebiges, nicht ganz Bekanntes aus einer Auswahl Genitiv Singular Maskulinum im attributiven Gebrauch des Indefinitpronomens irgendein

Where the eye mixes irgendein and irgendeines

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. irgendein runs 9 letters (VCCVCCVVC) against irgendeines's 11 (VCCVCCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
irgendein
11 ch
irgendeines

Look-alike desk: irgendein vs irgendeines

These two trip readers on the page rather than in the ear: irgendein is [ˈɪʁɡn̩tˈʔaɪ̯n] while irgendeines is [ˈɪʁɡn̩tˈʔaɪ̯nəs]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “irgendein” sits inside “irgendeines”, and the parts of speech differ too (pronoun vs unknown), which is usually the fastest check. Our composite confusion score for this pair is 45713, derived from the frequency rank of both members and their visual similarity.

irgendein is recorded at frequency rank #5,093, classified as apron, pronounced [ˈɪʁɡn̩tˈʔaɪ̯n]. irgendeines is at rank #40,620, tagged as anunknown, pronounced [ˈɪʁɡn̩tˈʔaɪ̯nəs].

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 45713, this pair ranks #1,343,700 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of irgendein vs irgendeines

Shared letters: deginr. Private to "irgendein": -. Private to "irgendeines": s.

"irgendein" · 9 letters · shape VCCVCCVVC  ·  "irgendeines" · 11 letters · shape VCCVCCVVCVC

Known mistypes of this pair

  • irgendeinigrendein · iregndein · irgednein · irgenddein · irgendeinn · irgendeni · irgendien · irgenedin
  • irgendeinesigrendeines · iregndeines · irgedneines · irgenddeines · irgendeiens · irgendeiness · irgendeinnes · irgendeinse

Frequently Asked Questions

Can "irgendein" and "irgendeines" be used interchangeably?
No - they are not even the same part of speech. "irgendein" is a pronoun and "irgendeines" an unknown, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "irgendein" or "irgendeines"?
"irgendein" is the more common of the two: it sits at frequency rank #5,093 in our German list, against #40,620 for "irgendeines". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "irgendein" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "irgendeines" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,343,700 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "irgendein" and "irgendeines" also get mixed up with nearby pairs, the highest-scored neighbour is "irgendeinen vs irgendeines". 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 #1,343,700 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