Which to use
“fern” and “fon” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #48,930
- “fern” frequency rank
- #44,372
- “fon” frequency rank
- 93302
- confusion score
Side-by-Side Comparison
| Feature | fern | fon |
|---|---|---|
| Definition | longe, distante, longínquo | relativo à etnia dos fons |
Where the eye mixes fern and fon
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. fern runs 4 letters (CVCC) against fon's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between fern and fon
A purely visual mix-up. fern (/fɛʀn/ ouvir^(fonte ?)) and fon (/ˈfõ/) 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 93302, derived from the frequency rank of both members and their visual similarity.
fern is recorded at frequency rank #48,930, classified as anadj, pronounced /fɛʀn/ ouvir^(fonte ?). 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 93302, this pair ranks #134 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of fern vs fon
Shared letters: fn. Private to "fern": er. Private to "fon": o.
"fern" · 4 letters · shape CVCC · "fon" · 3 letters · shape CVC
Known mistypes of this pair
- fern ← efrn · fenr · fernn · ferrn · ffern · fren
Frequently Asked Questions
Can "fern" and "fon" be used interchangeably?
In ordinary Portuguese text, does "fern" or "fon" show up more?
After this comparison
Eye-level mix-up between "fern" and "fon" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fern" 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 #134 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "fern" and "fon" also get mixed up with nearby pairs, the highest-scored neighbour is "fel vs fern". 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 #134 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.