lastsvslessWhat's the difference?

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

Which to use

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

#8,309
“lasts” frequency rank
#305
“less” frequency rank
8614
confusion score

Side-by-Side Comparison

Feature lasts less
Definition plural of last comparative degree of little

Where the eye mixes lasts and less

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
lasts
4 ch
less

Why the eye confuses lasts with less

These two trip readers on the page rather than in the ear: lasts is /lɑːsts/ while less is /lɛs/. 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 adverb), which is usually the fastest check. Our composite confusion score for this pair is 8614, derived from the frequency rank of both members and their visual similarity.

lasts is recorded at frequency rank #8,309, classified as anoun, pronounced /lɑːsts/. less is at rank #305, tagged as anadv, pronounced /lɛs/.

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 8614, this pair ranks #501,615 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lasts vs less

Shared letters: ls. Private to "lasts": at. Private to "less": e.

"lasts" · 5 letters · shape CVCCC  ·  "less" · 4 letters · shape CVCC

Known mistypes of this pair

  • lastsalsts · lassts · lastss · lastts · latss · llasts · lsats
  • lesselss · lless · lses

Frequently Asked Questions

Can "lasts" and "less" be used interchangeably?
No - they are not even the same part of speech. "lasts" is a noun and "less" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lasts" or "less"?
"less" is the more common of the two: it sits at frequency rank #305 in our English list, against #8,309 for "lasts". 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 "lasts" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "less" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #501,615 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lasts" and "less" also get mixed up with nearby pairs, the highest-scored neighbour is "less vs LSC". 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 #501,615 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