FüllervsfüllteWhich spelling fits?

Quick tell: Füller is a noun, füllte is a verb, so they fill different roles in a sentence.

Which to use

“Füller” is a noun and “füllte” is a verb - they look or sound alike but fill different roles in a sentence.

#34,108
“Füller” frequency rank
#22,341
“füllte” frequency rank
56449
confusion score

Side-by-Side Comparison

Feature Füller füllte
Definition Füllfederhalter, Schreibgerät, das einen Tank für Tinte enthält und somit andauerndes Schreiben ermöglicht 1. Person Singular Indikativ Präteritum Aktiv des Verbs füllen

Where the eye mixes Füller and füllte

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
Füller
6 ch
füllte

Visual trap between Füller and füllte

These two trip readers on the page rather than in the ear: Füller is [ˈfʏlɐ] while füllte is [ˈfʏltə]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 56449, derived from the frequency rank of both members and their visual similarity.

Füller is recorded at frequency rank #34,108, classified as anoun, pronounced [ˈfʏlɐ]. füllte is at rank #22,341, tagged as averb, pronounced [ˈfʏltə].

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 56449, this pair ranks #939,717 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Füller vs füllte

Shared letters: eflü. Private to "Füller": r. Private to "füllte": t.

"Füller" · 6 letters · shape CVCCVC  ·  "füllte" · 6 letters · shape CVCCCV

Frequently Asked Questions

Is swapping "Füller" for "füllte" ever safe?
No - they are not even the same part of speech. "Füller" is a noun and "füllte" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Füller" or "füllte" show up more?
"füllte" is the more common of the two: it sits at frequency rank #22,341 in our German list, against #34,108 for "Füller". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "Füller" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "füllte" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #939,717 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Füller" and "füllte" also get mixed up with nearby pairs, the highest-scored neighbour is "Füller vs Fünfer". Nearby pair

Confusion rank #939,717 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