Which to use
“louco” is an adjective and “lupo” is a noun - they look or sound alike but fill different roles in a sentence.
- #1,649
- “louco” frequency rank
- #41,108
- “lupo” frequency rank
- 42757
- confusion score
Side-by-Side Comparison
| Feature | louco | lupo |
|---|---|---|
| Definition | que perdeu a razão, maluco, demente, vesano, amente | lobo (mamífero carnívoro) |
Letter map: louco vs lupo
Shared letters muted; letters that set louco and lupo apart highlighted. Shared run: 3. louco runs 5 letters (CVVCV) against lupo's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - louco and lupo
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: louco is anadjective and lupoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42757, derived from the frequency rank of both members and their visual similarity.
louco is recorded at frequency rank #1,649, classified as anadj. lupo is at rank #41,108, tagged as anoun, pronounced /ˈlu.pɔ/..
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 42757, this pair ranks #22,981 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of louco vs lupo
Shared letters: lou. Private to "louco": c. Private to "lupo": p.
"louco" · 5 letters · shape CVVCV · "lupo" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "louco" for "lupo" ever safe?
In ordinary Portuguese text, does "louco" or "lupo" show up more?
Useful next steps
You've compared "louco" and "lupo". Here's where to go from here.
- Full dictionary entry for "louco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lupo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #22,981 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "louco" and "lupo" also get mixed up with nearby pairs, the highest-scored neighbour is "ludo vs lupo". 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 #22,981 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.