filãovsfioTell them apart

Which to use

“filão” and “fio” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#49,976
“filão” frequency rank
#3,904
“fio” frequency rank
53880
confusion score

Side-by-Side Comparison

Feature filão fio
Definition intrusão de rochas eruptivas em fendas linha

Letter map: filão vs fio

Shared letters muted; letters that set filão and fio apart highlighted. Shared run: 3. filão runs 5 letters (CVCVV) against fio's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
filão
3 ch
fio

Pair insight - filão / fio

filão and fio are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 53880, derived from the frequency rank of both members and their visual similarity.

filão is recorded at frequency rank #49,976, classified as anoun. fio is at rank #3,904, tagged as anoun.

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 53880, this pair ranks #11,710 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of filão vs fio

Shared letters: fio. Private to "filão": lã. Private to "fio": -.

"filão" · 5 letters · shape CVCVV  ·  "fio" · 3 letters · shape CVV

Frequently Asked Questions

Do "filão" and "fio" mean the same thing in a sentence?
No. They differ by 2 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "filão" or "fio"?
"fio" is the more common of the two: it sits at frequency rank #3,904 in our Portuguese list, against #49,976 for "filão". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "filão" and "fio".

  • Full dictionary entry for "filão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #11,710 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "filão" and "fio" also get mixed up with nearby pairs, the highest-scored neighbour is "filão vs finado". Nearby pair

Confusion rank #11,710 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