Which to use
“füllen” is a verb and “Füller” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,171
- “füllen” frequency rank
- #34,108
- “Füller” frequency rank
- 39279
- confusion score
Side-by-Side Comparison
| Feature | füllen | Füller |
|---|---|---|
| Definition | einen Behälter voll machen, eine Aushöhlung stopfen | Füllfederhalter, Schreibgerät, das einen Tank für Tinte enthält und somit andauerndes Schreiben ermöglicht |
Where the eye mixes füllen and Füller
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between füllen and Füller
These two trip readers on the page rather than in the ear: füllen is [ˈfʏlən] while Füller is [ˈfʏlɐ]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - n in “füllen” becomes r in “Füller”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39279, derived from the frequency rank of both members and their visual similarity.
füllen is recorded at frequency rank #5,171, classified as averb, pronounced [ˈfʏlən]. 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 39279, this pair ranks #1,541,147 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of füllen vs Füller
Shared letters: eflü. Private to "füllen": n. Private to "Füller": r.
"füllen" · 6 letters · shape CVCCVC · "Füller" · 6 letters · shape CVCCVC
Frequently Asked Questions
Is swapping "füllen" for "Füller" ever safe?
Frequency check: "füllen" vs "Füller" - which ranks higher?
After this comparison
Eye-level mix-up between "füllen" and "Füller" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "füllen" 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 #1,541,147 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "füllen" and "Füller" also get mixed up with nearby pairs, the highest-scored neighbour is "Füller vs Fünfer". Nearby pair
Confusion rank #1,541,147 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.