Which to use
“faul” is an adjective and “Fax” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,826
- “faul” frequency rank
- #12,705
- “Fax” frequency rank
- 18531
- confusion score
Side-by-Side Comparison
| Feature | faul | Fax |
|---|---|---|
| Definition | nicht mehr frisch; verrottet, verfault | per Telefonleitung übermitteltes Dokument, Schriftstück, Foto oder Zeichnung |
Where the eye mixes faul and Fax
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses faul with Fax
These two trip readers on the page rather than in the ear: faul is [faʊ̯l] while Fax is [faks]. 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 18531, derived from the frequency rank of both members and their visual similarity.
faul is recorded at frequency rank #5,826, classified as anadj, pronounced [faʊ̯l]. Fax is at rank #12,705, tagged as anoun, pronounced [faks].
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 18531, this pair ranks #1,917,309 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of faul vs Fax
Shared letters: af. Private to "faul": lu. Private to "Fax": x.
"faul" · 4 letters · shape CVVC · "Fax" · 3 letters · shape CVC
Known mistypes of this pair
- faul ← aful · falu · faull · ffaul · fual
Frequently Asked Questions
Can "faul" and "Fax" be used interchangeably?
Frequency check: "faul" vs "Fax" - which ranks higher?
Useful next steps
Eye-level mix-up between "faul" and "Fax" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "faul" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Fax" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,917,309 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "faul" and "Fax" also get mixed up with nearby pairs, the highest-scored neighbour is "Fack vs Fax". 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 #1,917,309 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.