Which to use
“lass” and “loos” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,145
- “lass” frequency rank
- #37,546
- “loos” frequency rank
- 63691
- confusion score
Side-by-Side Comparison
| Feature | lass | loos |
|---|---|---|
| Definition | A girl; also (by extension), a young woman. | plural of loo |
Where the eye mixes lass and loos
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses lass with loos
A purely visual mix-up. lass (/læs/) and loos (/luːz/) 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 63691, derived from the frequency rank of both members and their visual similarity.
lass is recorded at frequency rank #26,145, classified as anoun, pronounced /læs/. loos is at rank #37,546, tagged as anoun, pronounced /luːz/.
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 63691, this pair ranks #81,573 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of lass vs loos
Shared letters: ls. Private to "lass": a. Private to "loos": o.
"lass" · 4 letters · shape CVCC · "loos" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "lass" for "loos" ever safe?
Frequency check: "lass" vs "loos" - which ranks higher?
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 "lass" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "loos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #81,573 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "lass" and "loos" also get mixed up with nearby pairs, the highest-scored neighbour is "loos vs lope". 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 #81,573 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.