feiovsfénixConfusable pair

Quick tell: feio is a adjective, fénix is a noun, so they fill different roles in a sentence.

Which to use

“feio” is an adjective and “fénix” is a noun - they look or sound alike but fill different roles in a sentence.

#4,727
“feio” frequency rank
#44,870
“fénix” frequency rank
49597
confusion score

Side-by-Side Comparison

Feature feio fénix
Definition não estético, horrendo ave fabulosa que, queimada, renascia das próprias cinzas

Where the eye mixes feio and fénix

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

4 ch
feio
5 ch
fénix

Why the eye confuses feio with fénix

These two trip readers on the page rather than in the ear: feio is /ˈfɐj.u/ while fénix is /ˈfɛ.niks/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49597, derived from the frequency rank of both members and their visual similarity.

feio is recorded at frequency rank #4,727, classified as anadj, pronounced /ˈfɐj.u/. fénix is at rank #44,870, tagged as anoun, pronounced /ˈfɛ.niks/.

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 49597, this pair ranks #15,391 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of feio vs fénix

Shared letters: fi. Private to "feio": eo. Private to "fénix": nxé.

"feio" · 4 letters · shape CVVV  ·  "fénix" · 5 letters · shape CVCVC

Known mistypes of this pair

  • feioefio · feoi · ffeio · fieo

Frequently Asked Questions

Is swapping "feio" for "fénix" ever safe?
No - they are not even the same part of speech. "feio" is an adjective and "fénix" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "feio" or "fénix"?
"feio" is the more common of the two: it sits at frequency rank #4,727 in our Portuguese list, against #44,870 for "fénix". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "feio" and "fénix" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "feio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fénix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #15,391 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "feio" and "fénix" also get mixed up with nearby pairs, the highest-scored neighbour is "fénix vs feno". 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 #15,391 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