lb vs lys, What's the Difference?

Which to use

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

#22,921
“lb” frequency rank: #14,079
“lys” frequency rank: 37000
confusion score

Side-by-Side Comparison

Feature	lb	lys
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.	Genre de liliacées qui porte, sur une haute tige, des fleurs à trois pétales et trois sépales pétaloïdes.

Letter map: lb vs lys

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

2 ch

3 ch

lys

Grammar separator: lb vs lys

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lb is asymbol and lysanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 37000, derived from the frequency rank of both members and their visual similarity.

lb is recorded at frequency rank #22,921, classified as asymbol. lys is at rank #14,079, tagged as anoun, pronounced \lis\.

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 37000, this pair ranks #265,596 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lb vs lys

Shared letters: l. Private to "lb": b. Private to "lys": sy.

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

Frequently Asked Questions

Is swapping "lb" for "lys" ever safe?

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

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

"lys" is the more common of the two: it sits at frequency rank #14,079 in our French list, against #22,921 for "lb". 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 "lb" and "lys".

Full dictionary entry for "lb" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "lys" - compare definitions side by side with the headword page. Word entry
This pair ranks #265,596 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"lb" and "lys" also get mixed up with nearby pairs, the highest-scored neighbour is "lb vs lobo". Nearby pair

Confusion rank #265,596 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.