unreinvsunternWhich spelling fits?

Quick tell: unrein is a adjective, untern is an abbrev, so they fill different roles in a sentence.

Which to use

“unrein” is an adjective and “untern” is an abbrev - they look or sound alike but fill different roles in a sentence.

#44,999
“unrein” frequency rank
#38,474
“untern” frequency rank
83473
confusion score

Side-by-Side Comparison

Feature unrein untern
Definition nicht sauber, also in gewisser Weise verunreinigt, verschmutzt unter den

Where the eye mixes unrein and untern

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. unrein (VCCVVC) and untern (VCCVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
unrein
6 ch
untern

Look-alike desk: unrein vs untern

These two trip readers on the page rather than in the ear: unrein is [ˈʊnˌʁaɪ̯n] while untern is [ˈʊntɐn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 83473, derived from the frequency rank of both members and their visual similarity.

unrein is recorded at frequency rank #44,999, classified as anadj, pronounced [ˈʊnˌʁaɪ̯n]. untern is at rank #38,474, tagged as anabbrev, pronounced [ˈʊntɐn].

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 83473, this pair ranks #139,356 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of unrein vs untern

Shared letters: enru. Private to "unrein": i. Private to "untern": t.

"unrein" · 6 letters · shape VCCVVC  ·  "untern" · 6 letters · shape VCCVCC

Known mistypes of this pair

  • unreinnurein · unerin · unnrein · unreinn · unreni · unrien · unrrein · urnein
  • unternnutern · unetrn · unntern · untenr · unternn · unterrn · untren · unttern

Frequently Asked Questions

Is swapping "unrein" for "untern" ever safe?
No - they are not even the same part of speech. "unrein" is an adjective and "untern" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "unrein" or "untern"?
"untern" is the more common of the two: it sits at frequency rank #38,474 in our German list, against #44,999 for "unrein". 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 "unrein" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "untern" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #139,356 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "unrein" and "untern" also get mixed up with nearby pairs, the highest-scored neighbour is "unrein vs Unzen". 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 #139,356 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