unterstrichvsunterstrichenWhat's the difference?

Which to use

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

#29,385
“unterstrich” frequency rank
#22,187
“unterstrichen” frequency rank
51572
confusion score

Side-by-Side Comparison

Feature unterstrich unterstrichen
Definition 1. Person Singular Indikativ Präteritum Aktiv des Verbs unterstreichen Partizip Perfekt des Verbs unterstreichen

Where the eye mixes unterstrich and unterstrichen

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. unterstrich runs 11 letters (VCCVCCCCVCC) against unterstrichen's 13 (VCCVCCCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
unterstrich
13 ch
unterstrichen

Look-alike desk: unterstrich vs unterstrichen

A purely visual mix-up. unterstrich ([ˌʊntɐˈʃtʁɪç]) and unterstrichen ([ʊntɐˈʃtʁɪçn̩]) 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 extra letter(s) - “unterstrich” sits inside “unterstrichen”. Our composite confusion score for this pair is 51572, derived from the frequency rank of both members and their visual similarity.

unterstrich is recorded at frequency rank #29,385, classified as averb, pronounced [ˌʊntɐˈʃtʁɪç]. unterstrichen is at rank #22,187, tagged as averb, pronounced [ʊntɐˈʃtʁɪçn̩].

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 51572, this pair ranks #1,130,330 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of unterstrich vs unterstrichen

Shared letters: cehinrstu. Private to "unterstrich": -. Private to "unterstrichen": -.

"unterstrich" · 11 letters · shape VCCVCCCCVCC  ·  "unterstrichen" · 13 letters · shape VCCVCCCCVCCVC

Known mistypes of this pair

  • unterstrich ← nuterstrich · unetrstrich · unnterstrich · unterrstrich · untersrtich · untersstrich · unterstirch · unterstrcih
  • unterstrichen ← nuterstrichen · unetrstrichen · unnterstrichen · unterrstrichen · untersrtichen · untersstrichen · unterstirchen · unterstrcihen

Frequently Asked Questions

Can "unterstrich" and "unterstrichen" be used interchangeably?
No. They are said differently ([ˌʊntɐˈʃtʁɪç] versus [ʊntɐˈʃtʁɪçn̩]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "unterstrich" or "unterstrichen" show up more?
"unterstrichen" is the more common of the two: it sits at frequency rank #22,187 in our German list, against #29,385 for "unterstrich". 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 "unterstrich" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "unterstrichen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,130,330 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "unterstrich" and "unterstrichen" also get mixed up with nearby pairs, the highest-scored neighbour is "unterstreicht vs unterstrich". 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 #1,130,330 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