Which to use
“lock” is a noun and “louco” is an adjective - they look or sound alike but fill different roles in a sentence.
- #22,711
- “lock” frequency rank
- #1,649
- “louco” frequency rank
- 24360
- confusion score
Side-by-Side Comparison
| Feature | lock | louco |
|---|---|---|
| Definition | fechadura | que perdeu a razão, maluco, demente, vesano, amente |
Letter map: lock vs louco
Shared letters muted; letters that set lock and louco apart highlighted. Shared run: 3.
Part-of-speech tell for lock / louco
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lock is anoun and loucoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24360, derived from the frequency rank of both members and their visual similarity.
lock is recorded at frequency rank #22,711, classified as anoun, pronounced /lɒk/. louco is at rank #1,649, tagged as anadj.
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 24360, this pair ranks #45,273 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of lock vs louco
Shared letters: clo. Private to "lock": k. Private to "louco": u.
"lock" · 4 letters · shape CVCC · "louco" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "lock" for "louco" ever safe?
Frequency check: "lock" vs "louco" - which ranks higher?
After this comparison
Done with this confusable. These links stay specific to "lock" and "louco".
- Full dictionary entry for "lock" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "louco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #45,273 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "lock" and "louco" also get mixed up with nearby pairs, the highest-scored neighbour is "loch vs lock". 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 #45,273 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.