quavsquiWhat's the difference?

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

Which to use

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

#43,210
“qua” frequency rank
#12,907
“qui” frequency rank
56117
confusion score

Side-by-Side Comparison

Feature qua qui
Definition Acá. Quién.

Where the spellings diverge

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

3 ch
qua
3 ch
qui

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: qua is /ˈkwa/ while qui is [ˈki]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “qua” becomes i in “qui”, and the parts of speech differ too (adverb vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 56117, derived from the frequency rank of both members and their visual similarity.

qua is recorded at frequency rank #43,210, classified as anadv, pronounced /ˈkwa/. qui is at rank #12,907, tagged as apron, pronounced [ˈki].

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 56117, this pair ranks #75,972 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of qua vs qui

Shared letters: qu. Private to "qua": a. Private to "qui": i.

"qua" · 3 letters · shape CVV  ·  "qui" · 3 letters · shape CVV

Frequency comparison

qua#43,210
qui#12,907

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "qua" and "qui" be used interchangeably?
No - they are not even the same part of speech. "qua" is an adverb and "qui" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "qua" or "qui"?
"qui" is the more common of the two: it sits at frequency rank #12,907 in our Spanish list, against #43,210 for "qua". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering qua vs qui

The fastest way to pick the right one every time.

  • Check the role first: if you need an adverb, it's “qua”; for a pronoun, it's “qui”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “qua” 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 FrequencyWords open word-frequency list