fullvsfüllenTell them apart

Quick tell: full is a adjective, füllen is a verb, so they fill different roles in a sentence.

Which to use

“full” is an adjective and “füllen” is a verb - they look or sound alike but fill different roles in a sentence.

#7,319
“full” frequency rank
#5,171
“füllen” frequency rank
12490
confusion score

Side-by-Side Comparison

Feature full füllen
Definition mit (nahezu) maximalen Inhalt seiend; voll einen Behälter voll machen, eine Aushöhlung stopfen

Where the eye mixes full and füllen

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
full
6 ch
füllen

Visual trap between full and füllen

These two trip readers on the page rather than in the ear: full is [fʊl] while füllen is [ˈfʏlən]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 12490, derived from the frequency rank of both members and their visual similarity.

full is recorded at frequency rank #7,319, classified as anadj, pronounced [fʊl]. füllen is at rank #5,171, tagged as averb, pronounced [ˈfʏlən].

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 12490, this pair ranks #1,963,868 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of full vs füllen

Shared letters: fl. Private to "full": u. Private to "füllen": enü.

"full" · 4 letters · shape CVCC  ·  "füllen" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • fullffull · flul · ful · ufll

Frequently Asked Questions

Is swapping "full" for "füllen" ever safe?
No - they are not even the same part of speech. "full" is an adjective and "füllen" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "full" or "füllen"?
"füllen" is the more common of the two: it sits at frequency rank #5,171 in our German list, against #7,319 for "full". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "full" and "füllen" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "full" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "füllen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,963,868 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "full" and "füllen" also get mixed up with nearby pairs, the highest-scored neighbour is "fils vs full". 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 #1,963,868 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