loc vs lui, What's the Difference?

Which to use

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

#33,694
“loc” frequency rank: #36,659
“lui” frequency rank: 70353
confusion score

Side-by-Side Comparison

Feature	loc	lui
Definition	Cerradura.	Primera persona del singular (yo) del pretérito perfecto simple de indicativo de luir.

Letter map: loc vs lui

Shared letters muted; letters that set loc and lui apart highlighted. Shared run: 1.

3 ch

loc

3 ch

lui

Grammar separator: loc vs lui

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: loc is anoun and luiaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 70353, derived from the frequency rank of both members and their visual similarity.

loc is recorded at frequency rank #33,694, classified as anoun. lui is at rank #36,659, tagged as averb, pronounced [ˈlwi].

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 70353, this pair ranks #29,905 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of loc vs lui

Shared letters: l. Private to "loc": co. Private to "lui": iu.

"loc" · 3 letters · shape CVC · "lui" · 3 letters · shape CVV

Frequently Asked Questions

Can "loc" and "lui" be used interchangeably?

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

Which is more common, "loc" or "lui"?

"loc" is the more common of the two: it sits at frequency rank #33,694 in our Spanish list, against #36,659 for "lui". 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 "loc" and "lui".

Full dictionary entry for "loc" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "lui" - compare definitions side by side with the headword page. Word entry
This pair ranks #29,905 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"loc" and "lui" also get mixed up with nearby pairs, the highest-scored neighbour is "lac vs lui". Nearby pair

Confusion rank #29,905 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.