len vs ls, What's the Difference?

Which to use

“len” is an adverb and “ls” is an article - they look or sound alike but fill different roles in a sentence.

#30,622
“len” frequency rank: #27,923
“ls” frequency rank: 58545
confusion score

Side-by-Side Comparison

Feature	len	ls
Definition	só, apenas, somente	os, artigo definido masculino plural:

Letter map: len vs ls

Shared letters muted; letters that set len and ls apart highlighted. Shared run: 1.

3 ch

len

2 ch

Role in the sentence - len and ls

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: len is anadverb and lsanarticle. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 58545, derived from the frequency rank of both members and their visual similarity.

len is recorded at frequency rank #30,622, classified as anadv, pronounced /ʎen/. ls is at rank #27,923, tagged as anarticle.

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 58545, this pair ranks #8,690 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of len vs ls

Shared letters: l. Private to "len": en. Private to "ls": s.

"len" · 3 letters · shape CVC · "ls" · 2 letters · shape CC

Frequently Asked Questions

Do "len" and "ls" mean the same thing in a sentence?

No - they are not even the same part of speech. "len" is an adverb and "ls" an article, so a sentence built for one is usually ungrammatical with the other.

In ordinary Portuguese text, does "len" or "ls" show up more?

"ls" is the more common of the two: it sits at frequency rank #27,923 in our Portuguese list, against #30,622 for "len". 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 "len" and "ls".

Full dictionary entry for "len" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ls" - compare definitions side by side with the headword page. Word entry
This pair ranks #8,690 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"len" and "ls" also get mixed up with nearby pairs, the highest-scored neighbour is "Leben vs len". Nearby pair

Confusion rank #8,690 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.