fax vs fim, What's the Difference?

Which to use

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

#14,370
“fax” frequency rank: #227
“fim” frequency rank: 14597
confusion score

Side-by-Side Comparison

Feature	fax	fim
Definition	aparelho transmissor e receptor de documentos em fac-símile	lugar ou tempo em que algo termina, final, antônimo de início

Letter map: fax vs fim

Shared letters muted; letters that set fax and fim apart highlighted. Shared run: 1.

3 ch

fax

3 ch

fim

Corpus notes: fax and fim

fax and fim 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 14597, derived from the frequency rank of both members and their visual similarity.

fax is recorded at frequency rank #14,370, classified as anoun, pronounced /ˈfaks/. fim is at rank #227, 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 14597, this pair ranks #57,439 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fax vs fim

Shared letters: f. Private to "fax": ax. Private to "fim": im.

"fax" · 3 letters · shape CVC · "fim" · 3 letters · shape CVC

Frequently Asked Questions

Can "fax" and "fim" be used interchangeably?

No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "fax" vs "fim" - which ranks higher?

"fim" is the more common of the two: it sits at frequency rank #227 in our Portuguese list, against #14,370 for "fax". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "fax" and "fim". Here's where to go from here.

Full dictionary entry for "fax" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "fim" - compare definitions side by side with the headword page. Word entry
This pair ranks #57,439 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"fax" and "fim" also get mixed up with nearby pairs, the highest-scored neighbour is "fava vs fax". Nearby pair

Confusion rank #57,439 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.