lessvsloosWhich spelling fits?

Quick tell: less is a adverb, loos is a noun, so they fill different roles in a sentence.

Which to use

“less” is an adverb and “loos” is a noun - they look or sound alike but fill different roles in a sentence.

#305
“less” frequency rank
#37,546
“loos” frequency rank
37851
confusion score

Side-by-Side Comparison

Feature less loos
Definition comparative degree of little plural of loo

Where the eye mixes less and loos

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

4 ch
less
4 ch
loos

Look-alike desk: less vs loos

These two trip readers on the page rather than in the ear: less is /lɛs/ while loos is /luːz/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 37851, derived from the frequency rank of both members and their visual similarity.

less is recorded at frequency rank #305, classified as anadv, pronounced /lɛs/. 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 37851, this pair ranks #290,923 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of less vs loos

Shared letters: ls. Private to "less": e. Private to "loos": o.

"less" · 4 letters · shape CVCC  ·  "loos" · 4 letters · shape CVVC

Known mistypes of this pair

  • lesselss · lless · lses
  • looslloos · looss · loso · olos

Frequently Asked Questions

Can "less" and "loos" be used interchangeably?
No - they are not even the same part of speech. "less" is an adverb and "loos" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "less" vs "loos" - which ranks higher?
"less" is the more common of the two: it sits at frequency rank #305 in our English list, against #37,546 for "loos". 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 "less" 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 #290,923 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "less" 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 #290,923 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list