faia vs fui, What's the Difference?

Which to use

“faia” is a noun and “fui” is a verb - they look or sound alike but fill different roles in a sentence.

#45,352
“faia” frequency rank: #365
“fui” frequency rank: 45717
confusion score

Side-by-Side Comparison

Feature	faia	fui
Definition	árvore alta e ramosa, geralmente da espécie Fagus sylvatica, e também o álamo ou choupo Populus nigra	primeira pessoa do singular do pretérito perfeito simples do indicativo do verbo ir:

Where the spellings diverge

Shared letters are muted; the letters that actually set faia and fui apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

faia

3 ch

fui

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: faia is /ˈfaj.ɐ/ while fui is /ˈfuj/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 45717, derived from the frequency rank of both members and their visual similarity.

faia is recorded at frequency rank #45,352, classified as anoun, pronounced /ˈfaj.ɐ/. fui is at rank #365, tagged as averb, pronounced /ˈfuj/.

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 45717, this pair ranks #19,678 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of faia vs fui

Shared letters: fi. Private to "faia": a. Private to "fui": u.

"faia" · 4 letters · shape CVVV · "fui" · 3 letters · shape CVV

Known mistypes of this pair

faia ← afia · faai · ffaia · fiaa

Frequency comparison

faia#45,352

fui#365

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "faia" and "fui" be used interchangeably?

No - they are not even the same part of speech. "faia" is a noun and "fui" a verb, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "faia" or "fui"?

"fui" is the more common of the two: it sits at frequency rank #365 in our Portuguese list, against #45,352 for "faia". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering faia vs fui

The fastest way to pick the right one every time.

Check the role first: if you need a noun, it's “faia”; for a verb, it's “fui”.
See each word in full, definition, IPA, etymology and its other confusables. Full “faia” entry
Browse more pairs most likely to be confused. Most confusable