lessvslet'sWhat's the difference?

Quick tell: less is a adverb, let's is a verb, so they fill different roles in a sentence.

Which to use

“less” is an adverb and “let's” is a verb - they look or sound alike but fill different roles in a sentence.

#305
“less” frequency rank
#712
“let's” frequency rank
1017
confusion score

Side-by-Side Comparison

Feature less let's
Definition comparative degree of little Used to form the cohortative of verbs, equivalent of the first-person plural imperative in some other languages.

Where the eye mixes less and let's

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

4 ch
less
5 ch
let's

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: less is /lɛs/ while let's is /lɛts/. 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 (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 1017, derived from the frequency rank of both members and their visual similarity.

less is recorded at frequency rank #305, classified as anadv, pronounced /lɛs/. let's is at rank #712, tagged as averb, pronounced /lɛts/.

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 1017, this pair ranks #528,300 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of less vs let's

Shared letters: els. Private to "less": -. Private to "let's": t.

"less" · 4 letters · shape CVCC  ·  "let's" · 4 letters · shape CVCC

Known mistypes of this pair

  • lesselss · lless · lses

Frequently Asked Questions

Can "less" and "let's" be used interchangeably?
No - they are not even the same part of speech. "less" is an adverb and "let's" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "less" or "let's"?
"less" is the more common of the two: it sits at frequency rank #305 in our English list, against #712 for "let's". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list