LabvslasTell them apart

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

Which to use

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

#18,610
“Lab” frequency rank
#3,265
“las” frequency rank
21875
confusion score

Side-by-Side Comparison

Feature Lab las
Definition Enzymgemisch, das aus Kälbermägen gewonnen wird und zur Käseherstellung genutzt wird 1. Person Singular Indikativ Präteritum Aktiv des Verbs lesen

Where the eye mixes Lab and las

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
Lab
3 ch
las

Look-alike desk: Lab vs las

These two trip readers on the page rather than in the ear: Lab is [laːp] while las is [laːs]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - b in “Lab” becomes s in “las”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 21875, derived from the frequency rank of both members and their visual similarity.

Lab is recorded at frequency rank #18,610, classified as anoun, pronounced [laːp]. las is at rank #3,265, tagged as averb, pronounced [laːs].

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 21875, this pair ranks #1,881,112 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Lab vs las

Shared letters: al. Private to "Lab": b. Private to "las": s.

"Lab" · 3 letters · shape CVC  ·  "las" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "Lab" for "las" ever safe?
No - they are not even the same part of speech. "Lab" is a noun and "las" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Lab" or "las"?
"las" is the more common of the two: it sits at frequency rank #3,265 in our German list, against #18,610 for "Lab". 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 "Lab" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "las" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,881,112 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Lab" and "las" also get mixed up with nearby pairs, the highest-scored neighbour is "Lab vs lame". Nearby pair

Confusion rank #1,881,112 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