LastervsLüfterWhich spelling fits?

Which to use

“Laster” and “Lüfter” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#11,691
“Laster” frequency rank
#29,231
“Lüfter” frequency rank
40922
confusion score

Side-by-Side Comparison

Feature Laster Lüfter
Definition eine schlechte Angewohnheit Ventilator zur Erzeugung eines Luftstroms zur Kühlung oder Entlüftung von Räumen oder Geräten

Where the eye mixes Laster and Lüfter

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
Laster
6 ch
Lüfter

Why the eye confuses Laster with Lüfter

A purely visual mix-up. Laster ([ˈlastɐ]) and Lüfter ([ˈlʏftɐ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 40922, derived from the frequency rank of both members and their visual similarity.

Laster is recorded at frequency rank #11,691, classified as anoun, pronounced [ˈlastɐ]. Lüfter is at rank #29,231, tagged as anoun, pronounced [ˈlʏftɐ].

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 40922, this pair ranks #1,494,455 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Laster vs Lüfter

Shared letters: elrt. Private to "Laster": as. Private to "Lüfter": .

"Laster" · 6 letters · shape CVCCVC  ·  "Lüfter" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Lasterlasetr · lasster · lasterr · lastre · lastter · latser · llaster · lsater

Frequently Asked Questions

Can "Laster" and "Lüfter" be used interchangeably?
No. They are said differently ([ˈlastɐ] versus [ˈlʏftɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Laster" or "Lüfter"?
"Laster" is the more common of the two: it sits at frequency rank #11,691 in our German list, against #29,231 for "Lüfter". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Laster" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Lüfter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,494,455 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Laster" and "Lüfter" also get mixed up with nearby pairs, the highest-scored neighbour is "Lasern vs Laster". 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 #1,494,455 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