focovsfracoConfusable pair

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

Which to use

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

#1,491
“foco” frequency rank
#3,401
“fraco” frequency rank
4892
confusion score

Side-by-Side Comparison

Feature foco fraco
Definition nitidez de uma imagem sem força

Where the eye mixes foco and fraco

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
foco
5 ch
fraco

Look-alike desk: foco vs fraco

These two trip readers on the page rather than in the ear: foco is /ˈfɔ.ko/ while fraco is /ˈfɾa.ku/. 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 4892, derived from the frequency rank of both members and their visual similarity.

foco is recorded at frequency rank #1,491, classified as anoun, pronounced /ˈfɔ.ko/. fraco is at rank #3,401, tagged as anadj, pronounced /ˈfɾa.ku/.

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 4892, this pair ranks #69,862 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of foco vs fraco

Shared letters: cfo. Private to "foco": -. Private to "fraco": ar.

"foco" · 4 letters · shape CVCV  ·  "fraco" · 5 letters · shape CCVCV

Known mistypes of this pair

  • focofcoo · ffoco · focco · fooc · ofco
  • fracofarco · ffraco · fracco · fraoc · frcao · frraco · rfaco

Frequently Asked Questions

Is swapping "foco" for "fraco" ever safe?
No - they are not even the same part of speech. "foco" is a noun and "fraco" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "foco" or "fraco" show up more?
"foco" is the more common of the two: it sits at frequency rank #1,491 in our Portuguese list, against #3,401 for "fraco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "foco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fraco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,862 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "foco" and "fraco" also get mixed up with nearby pairs, the highest-scored neighbour is "fosco vs fraco". 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 #69,862 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