fadavsfaxTell them apart

Which to use

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

#10,188
“fada” frequency rank
#14,370
“fax” frequency rank
24558
confusion score

Side-by-Side Comparison

Feature fada fax
Definition entidade imaginária feminina e voadora, com poderes mágicos aparelho transmissor e receptor de documentos em fac-símile

Where the eye mixes fada and fax

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

4 ch
fada
3 ch
fax

Visual trap between fada and fax

A purely visual mix-up. fada (/ˈfa.dɐ/) and fax (/ˈfaks/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24558, derived from the frequency rank of both members and their visual similarity.

fada is recorded at frequency rank #10,188, classified as anoun, pronounced /ˈfa.dɐ/. fax is at rank #14,370, tagged as anoun, pronounced /ˈfaks/.

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 24558, this pair ranks #45,027 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fada vs fax

Shared letters: af. Private to "fada": d. Private to "fax": x.

"fada" · 4 letters · shape CVCV  ·  "fax" · 3 letters · shape CVC

Known mistypes of this pair

  • fadaafda · faad · fadda · fdaa · ffada

Frequently Asked Questions

Is swapping "fada" for "fax" ever safe?
No. They are said differently (/ˈfa.dɐ/ versus /ˈfaks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fada" or "fax"?
"fada" is the more common of the two: it sits at frequency rank #10,188 in our Portuguese list, against #14,370 for "fax". 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 "fada" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fax" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,027 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fada" and "fax" also get mixed up with nearby pairs, the highest-scored neighbour is "fava vs fax". 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 #45,027 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