LaivslassWhat's the difference?

Quick tell: Lai is a noun, lass is an adjective, so they fill different roles in a sentence.

Which to use

“Lai” is a noun and “lass” is an adjective - they look or sound alike but fill different roles in a sentence.

#47,552
“Lai” frequency rank
#863
“lass” frequency rank
48415
confusion score

Side-by-Side Comparison

Feature Lai lass
Definition reines Instrumentalstück der mittelalterlichen französischen Musik keine Energie habend

Where the eye mixes Lai and lass

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

3 ch
Lai
4 ch
lass

Why the eye confuses Lai with lass

These two trip readers on the page rather than in the ear: Lai is [lɛː] while lass is [las]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 48415, derived from the frequency rank of both members and their visual similarity.

Lai is recorded at frequency rank #47,552, classified as anoun, pronounced [lɛː]. lass is at rank #863, tagged as anadj, pronounced [las].

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 48415, this pair ranks #1,249,408 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Lai vs lass

Shared letters: al. Private to "Lai": i. Private to "lass": s.

"Lai" · 3 letters · shape CVV  ·  "lass" · 4 letters · shape CVCC

Known mistypes of this pair

  • lassalss · laß · llass · lsas

Frequently Asked Questions

Can "Lai" and "lass" be used interchangeably?
No - they are not even the same part of speech. "Lai" is a noun and "lass" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Lai" or "lass"?
"lass" is the more common of the two: it sits at frequency rank #863 in our German list, against #47,552 for "Lai". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "Lai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lass" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,249,408 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Lai" and "lass" also get mixed up with nearby pairs, the highest-scored neighbour is "Lai vs lame". 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 #1,249,408 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