Lu vs lus, What's the Difference?

Which to use

“Lu” is a name and “lus” is an adjective - they look or sound alike but fill different roles in a sentence.

#1,333
“Lu” frequency rank: #12,613
“lus” frequency rank: 13946
confusion score

Side-by-Side Comparison

Feature	Lu	lus
Definition	Commune de la province d’Alexandrie dans le Piémont en Italie.	Masculin pluriel de lu.

Same sound, different letters: Lu vs lus

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 2 letters.

2 ch

3 ch

lus

Ear matches; page differs - Lu and lus

Say them out loud and nothing separates them: Lu and lus carry the same recorded pronunciation, \ly\. Grammar is what tells them apart: one is aname, the other anadjective, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “Lu” sits inside “lus”. Our composite confusion score for this pair is 13946, derived from the frequency rank of both members and their visual similarity.

Lu is recorded at frequency rank #1,333, classified as aname, pronounced \ly\. lus is at rank #12,613, tagged as anadj, pronounced \ly\.

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 13946, this pair ranks #398,842 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Lu vs lus

Shared letters: lu. Private to "Lu": -. Private to "lus": s.

"Lu" · 2 letters · shape CV · "lus" · 3 letters · shape CVC

Frequently Asked Questions

Can "Lu" and "lus" be used interchangeably?

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

In ordinary French text, does "Lu" or "lus" show up more?

"Lu" is the more common of the two: it sits at frequency rank #1,333 in our French list, against #12,613 for "lus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've separated the homophone pair "Lu" / "lus". Follow the links when you need the full entry or a neighbour that trips the same ear.

Full dictionary entry for "Lu" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "lus" - compare definitions side by side with the headword page. Word entry
This pair ranks #398,842 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"Lu" and "lus" also get mixed up with nearby pairs, the highest-scored neighbour is "lep vs lus". Nearby pair

Confusion rank #398,842 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.