prüfvsprüfenConfusable pair

Which to use

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

#44,153
“prüf” frequency rank
#2,781
“prüfen” frequency rank
46934
confusion score

Side-by-Side Comparison

Feature prüf prüfen
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs prüfen feststellen, inwiefern einer Bedingung genügt wird

Where the eye mixes prüf and prüfen

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

4 ch
prüf
6 ch
prüfen

Why the eye confuses prüf with prüfen

A purely visual mix-up. prüf ([pʁyːf]) and prüfen ([ˈpʁyːfn̩]) 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) - “prüf” sits inside “prüfen”. Our composite confusion score for this pair is 46934, derived from the frequency rank of both members and their visual similarity.

prüf is recorded at frequency rank #44,153, classified as averb, pronounced [pʁyːf]. prüfen is at rank #2,781, tagged as averb, pronounced [ˈpʁyːfn̩].

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 46934, this pair ranks #1,301,935 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of prüf vs prüfen

Shared letters: fprü. Private to "prüf": -. Private to "prüfen": en.

"prüf" · 4 letters · shape CCVC  ·  "prüfen" · 6 letters · shape CCVCVC

Frequently Asked Questions

Can "prüf" and "prüfen" be used interchangeably?
No. They are said differently ([pʁyːf] versus [ˈpʁyːfn̩]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "prüf" or "prüfen" show up more?
"prüfen" is the more common of the two: it sits at frequency rank #2,781 in our German list, against #44,153 for "prüf". 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 "prüf" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prüfen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,301,935 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "prüf" and "prüfen" also get mixed up with nearby pairs, the highest-scored neighbour is "Pau vs prüf". Nearby pair

Confusion rank #1,301,935 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