fel vs fio, What's the Difference?

Which to use

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

#42,931
“fel” frequency rank: #3,904
“fio” frequency rank: 46835
confusion score

Side-by-Side Comparison

Feature	fel	fio
Definition	bile, bílis	linha

Letter map: fel vs fio

Shared letters muted; letters that set fel and fio apart highlighted. Shared run: 1.

3 ch

fel

3 ch

fio

Pair insight - fel / fio

fel 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 46835, derived from the frequency rank of both members and their visual similarity.

fel is recorded at frequency rank #42,931, classified as anoun, pronounced /ˈfɛɫ/. 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 46835, this pair ranks #18,470 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of fel vs fio

Shared letters: f. Private to "fel": el. Private to "fio": io.

"fel" · 3 letters · shape CVC · "fio" · 3 letters · shape CVV

Frequently Asked Questions

Do "fel" and "fio" mean the same thing in a sentence?

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: "fel" vs "fio" - which ranks higher?

"fio" is the more common of the two: it sits at frequency rank #3,904 in our Portuguese list, against #42,931 for "fel". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "fel" vs "fio" is on the table, pick a follow-up below.

Full dictionary entry for "fel" 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 #18,470 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"fel" and "fio" also get mixed up with nearby pairs, the highest-scored neighbour is "fel vs fern". Nearby pair

Confusion rank #18,470 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.