LaosvslauConfusable pair

Quick tell: Laos is a noun, lau is an adjective, so they fill different roles in a sentence.

Which to use

“Laos” is a noun and “lau” is an adjective - they look or sound alike but fill different roles in a sentence.

#20,349
“Laos” frequency rank
#21,230
“lau” frequency rank
41579
confusion score

Side-by-Side Comparison

Feature Laos lau
Definition Laos morno, tépido:

Where the eye mixes Laos and lau

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. Laos runs 4 letters (CVVC) against lau's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Laos
3 ch
lau

Look-alike desk: Laos vs lau

These two trip readers on the page rather than in the ear: Laos is /ˈlaʊs/,/ˈlɑːoʊs/ while lau is /ˈlaʊ̯/. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 41579, derived from the frequency rank of both members and their visual similarity.

Laos is recorded at frequency rank #20,349, classified as anoun, pronounced /ˈlaʊs/,/ˈlɑːoʊs/. lau is at rank #21,230, tagged as anadj, pronounced /ˈlaʊ̯/.

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 41579, this pair ranks #24,322 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Laos vs lau

Shared letters: al. Private to "Laos": os. Private to "lau": u.

"Laos" · 4 letters · shape CVVC  ·  "lau" · 3 letters · shape CVV

Known mistypes of this pair

  • Laos ← laoss · llaos · loas

Frequently Asked Questions

Is swapping "Laos" for "lau" ever safe?
No - they are not even the same part of speech. "Laos" is a noun and "lau" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "Laos" or "lau" show up more?
"Laos" is the more common of the two: it sits at frequency rank #20,349 in our Portuguese list, against #21,230 for "lau". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Laos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lau" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,322 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Laos" and "lau" also get mixed up with nearby pairs, the highest-scored neighbour is "laca vs lau". 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 #24,322 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list