físicovsfoscoTell them apart

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

Which to use

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

#2,837
“físico” frequency rank
#48,427
“fosco” frequency rank
51264
confusion score

Side-by-Side Comparison

Feature físico fosco
Definition acadêmico ou estudioso da física não brunido, sem brilho, embaciado, não transparente

Letter map: físico vs fosco

Shared letters muted; letters that set físico and fosco apart highlighted. Shared run: 4. físico runs 6 letters (CVCVCV) against fosco's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
físico
5 ch
fosco

Part-of-speech tell for físico / fosco

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: físico is anoun and foscoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 51264, derived from the frequency rank of both members and their visual similarity.

físico is recorded at frequency rank #2,837, classified as anoun. fosco is at rank #48,427, tagged as anadj, pronounced /ˈfoʃ.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 51264, this pair ranks #13,744 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of físico vs fosco

Shared letters: cfos. Private to "físico": ií. Private to "fosco": -.

"físico" · 6 letters · shape CVCVCV  ·  "fosco" · 5 letters · shape CVCCV

Known mistypes of this pair

  • fosco ← ffosco · focso · foscco · fosoc · fossco · fsoco · ofsco

Frequently Asked Questions

Can "físico" and "fosco" be used interchangeably?
No - they are not even the same part of speech. "físico" is a noun and "fosco" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "físico" or "fosco"?
"físico" is the more common of the two: it sits at frequency rank #2,837 in our Portuguese list, against #48,427 for "fosco". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "físico" vs "fosco" is on the table, pick a follow-up below.

  • Full dictionary entry for "físico" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fosco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #13,744 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "físico" and "fosco" also get mixed up with nearby pairs, the highest-scored neighbour is "fisco vs fosco". 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 #13,744 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