längstvsläufstConfusable pair

Quick tell: längst is a adverb, läufst is a verb, so they fill different roles in a sentence.

Which to use

“längst” is an adverb and “läufst” is a verb - they look or sound alike but fill different roles in a sentence.

#1,520
“längst” frequency rank
#25,224
“läufst” frequency rank
26744
confusion score

Side-by-Side Comparison

Feature längst läufst
Definition schon lange, seit langem, seit langer/längerer Zeit 2. Person Singular Indikativ Präsens Aktiv des Verbs laufen

Where the eye mixes längst and läufst

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. längst (CVCCCC) and läufst (CVVCCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
längst
6 ch
läufst

Look-alike desk: längst vs läufst

These two trip readers on the page rather than in the ear: längst is [lɛŋst] while läufst is [lɔɪ̯fst]. 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 (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 26744, derived from the frequency rank of both members and their visual similarity.

längst is recorded at frequency rank #1,520, classified as anadv, pronounced [lɛŋst]. läufst is at rank #25,224, tagged as averb, pronounced [lɔɪ̯fst].

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 26744, this pair ranks #1,813,127 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of längst vs läufst

Shared letters: lstä. Private to "längst": gn. Private to "läufst": fu.

"längst" · 6 letters · shape CVCCCC  ·  "läufst" · 6 letters · shape CVVCCC

Frequently Asked Questions

Do "längst" and "läufst" mean the same thing in a sentence?
No - they are not even the same part of speech. "längst" is an adverb and "läufst" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "längst" vs "läufst" - which ranks higher?
"längst" is the more common of the two: it sits at frequency rank #1,520 in our German list, against #25,224 for "läufst". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "längst" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "läufst" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,813,127 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "längst" and "läufst" also get mixed up with nearby pairs, the highest-scored neighbour is "lädst vs läufst". Nearby pair

Confusion rank #1,813,127 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