rechenvsRechnerWhich spelling fits?

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

Which to use

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

#38,966
“rechen” frequency rank
#5,412
“Rechner” frequency rank
44378
confusion score

Side-by-Side Comparison

Feature rechen Rechner
Definition etwas, häufig auf dem Boden Liegendes mit einem Rechen, einer Harke zusammentragen Gerät, das mathematische oder logische Operationen ausführt

Where the eye mixes rechen and Rechner

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. rechen runs 6 letters (CVCCVC) against Rechner's 7 (CVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
rechen
7 ch
Rechner

Why the eye confuses rechen with Rechner

These two trip readers on the page rather than in the ear: rechen is [ˈʁɛçn̩] while Rechner is [ˈʁɛçnɐ]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 44378, derived from the frequency rank of both members and their visual similarity.

rechen is recorded at frequency rank #38,966, classified as averb, pronounced [ˈʁɛçn̩]. Rechner is at rank #5,412, tagged as anoun, pronounced [ˈʁɛçnɐ].

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 44378, this pair ranks #1,388,071 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rechen vs Rechner

Shared letters: cehnr. Private to "rechen": -. Private to "Rechner": -.

"rechen" · 6 letters · shape CVCCVC  ·  "Rechner" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • rechen ← erchen · rcehen · recchen · recehn · rechhen · rehcen · rrechen
  • Rechner ← erchner · rcehner · recchner · rechenr · rechhner · rechnerr · rechnner · rechnre

Frequently Asked Questions

Can "rechen" and "Rechner" be used interchangeably?
No - they are not even the same part of speech. "rechen" is a verb and "Rechner" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "rechen" vs "Rechner" - which ranks higher?
"Rechner" is the more common of the two: it sits at frequency rank #5,412 in our German list, against #38,966 for "rechen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "rechen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Rechner" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,388,071 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "rechen" and "Rechner" also get mixed up with nearby pairs, the highest-scored neighbour is "recent vs rechen". 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 #1,388,071 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