lessvslexWhat's the difference?

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

Which to use

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

#305
“less” frequency rank
#14,983
“lex” frequency rank
15288
confusion score

Side-by-Side Comparison

Feature less lex
Definition comparative degree of little To perform lexical analysis; to convert a character stream to a token stream as a preliminary to parsing.

Where the eye mixes less and lex

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

4 ch
less
3 ch
lex

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: less is /lɛs/ while lex is /lɛks/. 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 15288, derived from the frequency rank of both members and their visual similarity.

less is recorded at frequency rank #305, classified as anadv, pronounced /lɛs/. lex is at rank #14,983, tagged as averb, pronounced /lɛks/.

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 15288, this pair ranks #464,924 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of less vs lex

Shared letters: el. Private to "less": s. Private to "lex": x.

"less" · 4 letters · shape CVCC  ·  "lex" · 3 letters · shape CVC

Known mistypes of this pair

  • lesselss · lless · lses

Frequently Asked Questions

Can "less" and "lex" be used interchangeably?
No - they are not even the same part of speech. "less" is an adverb and "lex" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "less" or "lex"?
"less" is the more common of the two: it sits at frequency rank #305 in our English list, against #14,983 for "lex". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list