lbvslemWhat's the difference?

Quick tell: lb is a symbol, lem is a noun, so they fill different roles in a sentence.

Which to use

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

#22,921
“lb” frequency rank
#40,348
“lem” frequency rank
63269
confusion score

Side-by-Side Comparison

Feature lb lem
Definition 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. Membre, partie du corps.

Letter map: lb vs lem

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

2 ch
lb
3 ch
lem

Part-of-speech tell for lb / lem

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lb is asymbol and lemanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 63269, derived from the frequency rank of both members and their visual similarity.

lb is recorded at frequency rank #22,921, classified as asymbol. lem is at rank #40,348, tagged as anoun.

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 63269, this pair ranks #82,835 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of lb vs lem

Shared letters: l. Private to "lb": b. Private to "lem": em.

"lb" · 2 letters · shape CC  ·  "lem" · 3 letters · shape CVC

Frequently Asked Questions

Can "lb" and "lem" be used interchangeably?
No - they are not even the same part of speech. "lb" is a symbol and "lem" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "lb" or "lem" show up more?
"lb" is the more common of the two: it sits at frequency rank #22,921 in our French list, against #40,348 for "lem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "lb" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #82,835 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lb" and "lem" also get mixed up with nearby pairs, the highest-scored neighbour is "lem vs lep". Nearby pair

Confusion rank #82,835 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list