leadvslexWhat's the difference?

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

Which to use

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

#636
“lead” frequency rank
#14,983
“lex” frequency rank
15619
confusion score

Side-by-Side Comparison

Feature lead lex
Definition A heavy, pliable, inelastic metal element, having a bright, bluish color, but easily tarnished; both malleable and ductile, though with little tenacity. It is easily fusible, forms alloys with other metals, and is an ingredient of solder and type metal. Atomic number 82, symbol Pb (from Latin plumbum). To perform lexical analysis; to convert a character stream to a token stream as a preliminary to parsing.

Where the eye mixes lead and lex

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

4 ch
lead
3 ch
lex

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: lead is /lɛd/ 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 15619, derived from the frequency rank of both members and their visual similarity.

lead is recorded at frequency rank #636, classified as anoun, pronounced /lɛd/. 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 15619, this pair ranks #462,851 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lead vs lex

Shared letters: el. Private to "lead": ad. Private to "lex": x.

"lead" · 4 letters · shape CVVC  ·  "lex" · 3 letters · shape CVC

Known mistypes of this pair

  • leadelad · laed · leadd · leda · llead

Frequently Asked Questions

Can "lead" and "lex" be used interchangeably?
No - they are not even the same part of speech. "lead" is a noun and "lex" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lead" or "lex"?
"lead" is the more common of the two: it sits at frequency rank #636 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