filãovsfiliarWhich spelling fits?

Quick tell: filão is a noun, filiar is a verb, so they fill different roles in a sentence.

Which to use

“filão” is a noun and “filiar” is a verb - they look or sound alike but fill different roles in a sentence.

#49,976
“filão” frequency rank
#41,026
“filiar” frequency rank
91002
confusion score

Side-by-Side Comparison

Feature filão filiar
Definition intrusão de rochas eruptivas em fendas tomar como filho, adotar

Letter map: filão vs filiar

Shared letters muted; letters that set filão and filiar apart highlighted. Shared run: 3. filão runs 5 letters (CVCVV) against filiar's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
filão
6 ch
filiar

Role in the sentence - filão and filiar

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: filão is anoun and filiaraverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 91002, derived from the frequency rank of both members and their visual similarity.

filão is recorded at frequency rank #49,976, classified as anoun. filiar is at rank #41,026, tagged as averb, pronounced /fi.ˈljaɾ/.

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 91002, this pair ranks #234 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of filão vs filiar

Shared letters: fil. Private to "filão": oã. Private to "filiar": ar.

"filão" · 5 letters · shape CVCVV  ·  "filiar" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • filiar ← ffiliar · fiilar · filair · filiarr · filira · filliar · fliiar · ifliar

Frequently Asked Questions

Do "filão" and "filiar" mean the same thing in a sentence?
No - they are not even the same part of speech. "filão" is a noun and "filiar" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "filão" or "filiar" show up more?
"filiar" is the more common of the two: it sits at frequency rank #41,026 in our Portuguese list, against #49,976 for "filão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "filão" and "filiar". Here's where to go from here.

  • Full dictionary entry for "filão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "filiar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #234 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "filão" and "filiar" also get mixed up with nearby pairs, the highest-scored neighbour is "filão vs finado". 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 #234 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