lexvslieTell them apart

Which to use

“lex” and “lie” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#14,983
“lex” frequency rank
#1,530
“lie” frequency rank
16513
confusion score

Side-by-Side Comparison

Feature lex lie
Definition To perform lexical analysis; to convert a character stream to a token stream as a preliminary to parsing. To rest in a horizontal position on a surface.

Where the eye mixes lex and lie

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

3 ch
lex
3 ch
lie

Why the eye confuses lex with lie

A purely visual mix-up. lex (/lɛks/) and lie (/laɪ̯/) 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 16513, derived from the frequency rank of both members and their visual similarity.

lex is recorded at frequency rank #14,983, classified as averb, pronounced /lɛks/. lie is at rank #1,530, tagged as averb, pronounced /laɪ̯/.

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 16513, this pair ranks #457,287 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lex vs lie

Shared letters: el. Private to "lex": x. Private to "lie": i.

"lex" · 3 letters · shape CVC  ·  "lie" · 3 letters · shape CVV

Frequently Asked Questions

Do "lex" and "lie" mean the same thing in a sentence?
No. They are said differently (/lɛks/ versus /laɪ̯/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "lex" or "lie" show up more?
"lie" is the more common of the two: it sits at frequency rank #1,530 in our English list, against #14,983 for "lex". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "lex" and "lie" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "lex" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lie" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #457,287 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lex" and "lie" also get mixed up with nearby pairs, the highest-scored neighbour is "lex vs LSC". Nearby pair

Confusion rank #457,287 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