rauervsRaupenWhat's the difference?

Quick tell: rauer is a adjective, Raupen is a noun, so they fill different roles in a sentence.

Which to use

“rauer” is an adjective and “Raupen” is a noun - they look or sound alike but fill different roles in a sentence.

#38,353
“rauer” frequency rank
#23,280
“Raupen” frequency rank
61633
confusion score

Side-by-Side Comparison

Feature rauer Raupen
Definition Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs rau Nominativ Plural des Substantivs Raupe

Where the eye mixes rauer and Raupen

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

5 ch
rauer
6 ch
Raupen

Why the eye confuses rauer with Raupen

These two trip readers on the page rather than in the ear: rauer is [ˈʁaʊ̯ɐ] while Raupen is [ˈʁaʊ̯pn̩]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 61633, derived from the frequency rank of both members and their visual similarity.

rauer is recorded at frequency rank #38,353, classified as anadj, pronounced [ˈʁaʊ̯ɐ]. Raupen is at rank #23,280, tagged as anoun, pronounced [ˈʁaʊ̯pn̩].

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 61633, this pair ranks #742,426 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rauer vs Raupen

Shared letters: aeru. Private to "rauer": -. Private to "Raupen": np.

"rauer" · 5 letters · shape CVVVC  ·  "Raupen" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • raueraruer · raeur · rauerr · raure · rrauer · ruaer
  • Raupenarupen · rapuen · rauepn · raupenn · raupne · rauppen · rraupen · ruapen

Frequently Asked Questions

Can "rauer" and "Raupen" be used interchangeably?
No - they are not even the same part of speech. "rauer" is an adjective and "Raupen" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "rauer" or "Raupen" show up more?
"Raupen" is the more common of the two: it sits at frequency rank #23,280 in our German list, against #38,353 for "rauer". 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 "rauer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Raupen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #742,426 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "rauer" and "Raupen" also get mixed up with nearby pairs, the highest-scored neighbour is "rauer vs raunen". 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 #742,426 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