Which to use
“pfui” is an intj and “prüf” is a verb - they look or sound alike but fill different roles in a sentence.
- #20,367
- “pfui” frequency rank
- #44,153
- “prüf” frequency rank
- 64520
- confusion score
Side-by-Side Comparison
| Feature | pfui | prüf |
|---|---|---|
| Definition | Ausruf des Ekels, der Abscheu, der Verachtung, der Empörung, der Missbilligung, des Missfallens und des Hohns | 2. Person Singular Imperativ Präsens Aktiv des Verbs prüfen |
Where the eye mixes pfui and prüf
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. pfui (CCVV) and prüf (CCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses pfui with prüf
These two trip readers on the page rather than in the ear: pfui is [p͡fʊɪ̯] while prüf is [pʁyːf]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (intj vs verb), which is usually the fastest check. Our composite confusion score for this pair is 64520, derived from the frequency rank of both members and their visual similarity.
pfui is recorded at frequency rank #20,367, classified as anintj, pronounced [p͡fʊɪ̯]. prüf is at rank #44,153, tagged as averb, pronounced [pʁyːf].
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 64520, this pair ranks #638,615 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of pfui vs prüf
Shared letters: fp. Private to "pfui": iu. Private to "prüf": rü.
"pfui" · 4 letters · shape CCVV · "prüf" · 4 letters · shape CCVC
Known mistypes of this pair
- pfui ← fpui · pffui · pfiu · ppfui · pufi
Frequently Asked Questions
Is swapping "pfui" for "prüf" ever safe?
Frequency check: "pfui" vs "prüf" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pfui" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "prüf" - compare definitions side by side with the headword page. Word entry
- This pair ranks #638,615 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "pfui" and "prüf" also get mixed up with nearby pairs, the highest-scored neighbour is "Pau vs prüf". 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 #638,615 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.