RückenvsrüstenWhich spelling fits?

Quick tell: Rücken is a noun, rüsten is a verb, so they fill different roles in a sentence.

Which to use

“Rücken” is a noun and “rüsten” is a verb - they look or sound alike but fill different roles in a sentence.

#1,400
“Rücken” frequency rank
#29,319
“rüsten” frequency rank
30719
confusion score

Side-by-Side Comparison

Feature Rücken rüsten
Definition hintere Fläche des Oberkörpers sich auf eine bewaffnete Auseinandersetzung vorbereiten

Where the eye mixes Rücken and rüsten

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Rücken and rüsten follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
Rücken
6 ch
rüsten

Look-alike desk: Rücken vs rüsten

These two trip readers on the page rather than in the ear: Rücken is [ˈʁʏkn̩] while rüsten is [ˈʁʏstn̩]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 30719, derived from the frequency rank of both members and their visual similarity.

Rücken is recorded at frequency rank #1,400, classified as anoun, pronounced [ˈʁʏkn̩]. rüsten is at rank #29,319, tagged as averb, pronounced [ˈʁʏstn̩].

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 30719, this pair ranks #1,742,402 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Rücken vs rüsten

Shared letters: enrü. Private to "Rücken": ck. Private to "rüsten": st.

"Rücken" · 6 letters · shape CVCCVC  ·  "rüsten" · 6 letters · shape CVCCVC

Frequently Asked Questions

Is swapping "Rücken" for "rüsten" ever safe?
No - they are not even the same part of speech. "Rücken" is a noun and "rüsten" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Rücken" or "rüsten"?
"Rücken" is the more common of the two: it sits at frequency rank #1,400 in our German list, against #29,319 for "rüsten". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Rücken" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rüsten" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,742,402 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Rücken" and "rüsten" also get mixed up with nearby pairs, the highest-scored neighbour is "rühmen vs rüsten". Nearby pair

Confusion rank #1,742,402 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