Which to use
“fio” is a noun and “fon” is an adjective - they look or sound alike but fill different roles in a sentence.
- #3,904
- “fio” frequency rank
- #44,372
- “fon” frequency rank
- 48276
- confusion score
Side-by-Side Comparison
| Feature | fio | fon |
|---|---|---|
| Definition | linha | relativo à etnia dos fons |
Letter map: fio vs fon
Shared letters muted; letters that set fio and fon apart highlighted. Shared run: 2.
Grammar separator: fio vs fon
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fio is anoun and fonanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 48276, derived from the frequency rank of both members and their visual similarity.
fio is recorded at frequency rank #3,904, classified as anoun. fon is at rank #44,372, tagged as anadj, pronounced /ˈfõ/.
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 48276, this pair ranks #16,910 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of fio vs fon
Shared letters: fo. Private to "fio": i. Private to "fon": n.
"fio" · 3 letters · shape CVV · "fon" · 3 letters · shape CVC
Frequently Asked Questions
Can "fio" and "fon" be used interchangeably?
Frequency check: "fio" vs "fon" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "fio" and "fon".
- Full dictionary entry for "fio" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,910 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "fio" and "fon" also get mixed up with nearby pairs, the highest-scored neighbour is "fern vs fon". Nearby pair
Confusion rank #16,910 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.