quãovsquiWhat's the difference?

Quick tell: quão is a adverb, qui is a pronoun, so they fill different roles in a sentence.

Which to use

“quão” is an adverb and “qui” is a pronoun - they look or sound alike but fill different roles in a sentence.

#2,849
“quão” frequency rank
#9,094
“qui” frequency rank
11943
confusion score

Side-by-Side Comparison

Feature quão qui
Definition exprime intensidade: quanto, como que relativo; o qual, a qual, os quais, as quais

Where the spellings diverge

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

4 ch
quão
3 ch
qui

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: quão is anadverb and quiapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 11943, derived from the frequency rank of both members and their visual similarity.

quão is recorded at frequency rank #2,849, classified as anadv. qui is at rank #9,094, tagged as apron, pronounced /Ki/.

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 11943, this pair ranks #60,784 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of quão vs qui

Shared letters: qu. Private to "quão": . Private to "qui": i.

"quão" · 4 letters · shape CVVV  ·  "qui" · 3 letters · shape CVV

Frequency comparison

quão#2,849
qui#9,094

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "quão" and "qui" be used interchangeably?
No - they are not even the same part of speech. "quão" is an adverb and "qui" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "quão" or "qui"?
"quão" is the more common of the two: it sits at frequency rank #2,849 in our Portuguese list, against #9,094 for "qui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering quão vs qui

The fastest way to pick the right one every time.

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

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list