lay vs lb, What's the Difference?

Which to use

“lay” is an adjective and “lb” is a symbol - they look or sound alike but fill different roles in a sentence.

#27,500
“lay” frequency rank: #22,921
“lb” frequency rank: 50421
confusion score

Side-by-Side Comparison

Feature	lay	lb
Definition	Variante de lé.	Symbole de la livre (pound), unité de mesure de masse anglo-saxonne. Cette livre est ordinairement dans le système avoir-du-poids ; il y a aussi une livre apothicaire (apothecary pound ou troy pound) — les symboles respectifs sont lb av et lb t ou lb Tr. La livre française, elle, avait pour symbole lp.

Letter map: lay vs lb

Shared letters muted; letters that set lay and lb apart highlighted. Shared run: 1.

3 ch

lay

2 ch

Grammar separator: lay vs lb

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lay is anadjective and lbasymbol. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50421, derived from the frequency rank of both members and their visual similarity.

lay is recorded at frequency rank #27,500, classified as anadj. lb is at rank #22,921, tagged as asymbol.

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 50421, this pair ranks #162,793 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lay vs lb

Shared letters: l. Private to "lay": ay. Private to "lb": b.

"lay" · 3 letters · shape CVV · "lb" · 2 letters · shape CC

Frequently Asked Questions

Can "lay" and "lb" be used interchangeably?

No - they are not even the same part of speech. "lay" is an adjective and "lb" a symbol, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "lay" vs "lb" - which ranks higher?

"lb" is the more common of the two: it sits at frequency rank #22,921 in our French list, against #27,500 for "lay". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "lay" and "lb".

Full dictionary entry for "lay" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "lb" - compare definitions side by side with the headword page. Word entry
This pair ranks #162,793 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"lay" and "lb" also get mixed up with nearby pairs, the highest-scored neighbour is "lay vs lep". Nearby pair

Confusion rank #162,793 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.