losvslusoConfusable pair

Quick tell: los is a article, luso is an adjective, so they fill different roles in a sentence.

Which to use

“los” is an article and “luso” is an adjective - they look or sound alike but fill different roles in a sentence.

#8
“los” frequency rank
#44,297
“luso” frequency rank
44305
confusion score

Side-by-Side Comparison

Feature los luso
Definition Artículo determinado masculino plural. El singular es lo. Originario, relativo a, o propio de Portugal.

Where the eye mixes los and luso

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
los
4 ch
luso

Look-alike desk: los vs luso

These two trip readers on the page rather than in the ear: los is [los] while luso is [ˈluso]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (article vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 44305, derived from the frequency rank of both members and their visual similarity.

los is recorded at frequency rank #8, classified as anarticle, pronounced [los]. luso is at rank #44,297, tagged as anadj, pronounced [ˈluso].

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 44305, this pair ranks #137,808 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of los vs luso

Shared letters: los. Private to "los": -. Private to "luso": u.

"los" · 3 letters · shape CVC  ·  "luso" · 4 letters · shape CVCV

Known mistypes of this pair

  • lusolluso · lsuo · luos · lusso · ulso

Frequently Asked Questions

Is swapping "los" for "luso" ever safe?
No - they are not even the same part of speech. "los" is an article and "luso" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "los" or "luso" show up more?
"los" is the more common of the two: it sits at frequency rank #8 in our Spanish list, against #44,297 for "luso". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "los" and "luso" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "los" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "luso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #137,808 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "los" and "luso" also get mixed up with nearby pairs, the highest-scored neighbour is "ledo vs luso". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #137,808 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list