rüdevsRufWhich spelling fits?

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

Which to use

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

#31,254
“rüde” frequency rank
#2,317
“Ruf” frequency rank
33571
confusion score

Side-by-Side Comparison

Feature rüde Ruf
Definition sich grob verhaltend ein Laut, der an jemanden adressiert ist

Where the eye mixes rüde and Ruf

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

4 ch
rüde
3 ch
Ruf

Look-alike desk: rüde vs Ruf

These two trip readers on the page rather than in the ear: rüde is [ˈʁyːdə] while Ruf is [ʁuːf]. 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 33571, derived from the frequency rank of both members and their visual similarity.

rüde is recorded at frequency rank #31,254, classified as anadj, pronounced [ˈʁyːdə]. Ruf is at rank #2,317, tagged as anoun, pronounced [ʁuːf].

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 33571, this pair ranks #1,682,979 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of rüde vs Ruf

Shared letters: r. Private to "rüde": deü. Private to "Ruf": fu.

"rüde" · 4 letters · shape CVCV  ·  "Ruf" · 3 letters · shape CVC

Frequently Asked Questions

Do "rüde" and "Ruf" mean the same thing in a sentence?
No - they are not even the same part of speech. "rüde" is an adjective and "Ruf" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "rüde" or "Ruf" show up more?
"Ruf" is the more common of the two: it sits at frequency rank #2,317 in our German list, against #31,254 for "rüde". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "rüde" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ruf" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,682,979 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "rüde" and "Ruf" also get mixed up with nearby pairs, the highest-scored neighbour is "RUB vs rüde". Nearby pair

Confusion rank #1,682,979 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