focavsforoWhat's the difference?

Quick tell: foca is a adjective, foro is a noun, so they fill different roles in a sentence.

Which to use

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

#8,772
“foca” frequency rank
#9,497
“foro” frequency rank
18269
confusion score

Side-by-Side Comparison

Feature foca foro
Definition forma atenuada de, e o mesmo que foda tribunal de justiça; lugar onde funcionam os órgãos do poder judiciário; fórum; jurisdição, alçada, poder

Where the eye mixes foca and foro

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

4 ch
foca
4 ch
foro

Why the eye confuses foca with foro

These two trip readers on the page rather than in the ear: foca is /ˈfɔ.kɐ/ while foro is /ˈfo.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 18269, derived from the frequency rank of both members and their visual similarity.

foca is recorded at frequency rank #8,772, classified as anadj, pronounced /ˈfɔ.kɐ/. foro is at rank #9,497, tagged as anoun, pronounced /ˈfo.ɾu/.

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 18269, this pair ranks #52,769 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of foca vs foro

Shared letters: fo. Private to "foca": ac. Private to "foro": r.

"foca" · 4 letters · shape CVCV  ·  "foro" · 4 letters · shape CVCV

Known mistypes of this pair

  • focafcoa · ffoca · foac · focca · ofca
  • forofforo · foor · froo · ofro

Frequently Asked Questions

Can "foca" and "foro" be used interchangeably?
No - they are not even the same part of speech. "foca" is an adjective and "foro" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "foca" or "foro"?
"foca" is the more common of the two: it sits at frequency rank #8,772 in our Portuguese list, against #9,497 for "foro". 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 "foca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "foro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,769 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "foca" and "foro" also get mixed up with nearby pairs, the highest-scored neighbour is "fern vs foro". 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 #52,769 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