Which to use
“fauler” is an adjective and “Füller” is a noun - they look or sound alike but fill different roles in a sentence.
- #30,043
- “fauler” frequency rank
- #34,108
- “Füller” frequency rank
- 64151
- confusion score
Side-by-Side Comparison
| Feature | fauler | Füller |
|---|---|---|
| Definition | Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs faul | Füllfederhalter, Schreibgerät, das einen Tank für Tinte enthält und somit andauerndes Schreiben ermöglicht |
Where the eye mixes fauler and Füller
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. fauler (CVVCVC) and Füller (CVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: fauler vs Füller
These two trip readers on the page rather than in the ear: fauler is [ˈfaʊ̯lɐ] while Füller is [ˈfʏlɐ]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 64151, derived from the frequency rank of both members and their visual similarity.
fauler is recorded at frequency rank #30,043, classified as anadj, pronounced [ˈfaʊ̯lɐ]. Füller is at rank #34,108, tagged as anoun, pronounced [ˈfʏlɐ].
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 64151, this pair ranks #651,629 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fauler vs Füller
Shared letters: eflr. Private to "fauler": au. Private to "Füller": ü.
"fauler" · 6 letters · shape CVVCVC · "Füller" · 6 letters · shape CVCCVC
Known mistypes of this pair
- fauler ← afuler · faluer · fauelr · faulerr · fauller · faulre · ffauler · fualer
Frequently Asked Questions
Is swapping "fauler" for "Füller" ever safe?
Which is more common, "fauler" or "Füller"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "fauler" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Füller" - compare definitions side by side with the headword page. Word entry
- This pair ranks #651,629 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "fauler" and "Füller" also get mixed up with nearby pairs, the highest-scored neighbour is "Färber vs fauler". 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 #651,629 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.