fangvsfaxWhich spelling fits?

Which to use

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

#34,276
“fang” frequency rank
#14,370
“fax” frequency rank
48646
confusion score

Side-by-Side Comparison

Feature fang fax
Definition presa aparelho transmissor e receptor de documentos em fac-símile

Where the eye mixes fang and fax

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

4 ch
fang
3 ch
fax

Visual trap between fang and fax

A purely visual mix-up. fang (/fæŋ/) 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 48646, derived from the frequency rank of both members and their visual similarity.

fang is recorded at frequency rank #34,276, classified as anoun, pronounced /fæŋ/. 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 48646, this pair ranks #16,517 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of fang vs fax

Shared letters: af. Private to "fang": gn. Private to "fax": x.

"fang" · 4 letters · shape CVCC  ·  "fax" · 3 letters · shape CVC

Known mistypes of this pair

  • fangafng · fagn · fangg · fanng · ffang · fnag

Frequently Asked Questions

Can "fang" and "fax" be used interchangeably?
No. They are said differently (/fæŋ/ versus /ˈfaks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "fang" or "fax" show up more?
"fax" is the more common of the two: it sits at frequency rank #14,370 in our Portuguese list, against #34,276 for "fang". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "fang" 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 #16,517 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fang" and "fax" also get mixed up with nearby pairs, the highest-scored neighbour is "fang vs fava". 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 #16,517 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