Which to use
“qua” is a preposition and “quart” is a noun - they look or sound alike but fill different roles in a sentence.
- #35,473
- “qua” frequency rank
- #28,679
- “quart” frequency rank
- 64152
- confusion score
Side-by-Side Comparison
| Feature | qua | quart |
|---|---|---|
| Definition | as; in the capacity of; acting as | A unit of liquid capacity equal to two pints; one-fourth (quarter) of a gallon. Equivalent to 1.136 liters in the UK and 0.946 liter (liquid quart) or 1.101 liters (dry quart) in the U.S. |
Where the spellings diverge
Shared letters are muted; the letters that actually set qua and quart apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
qua and quart form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “qua” sits inside “quart” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 64152, derived from the frequency rank of both members and their visual similarity.
qua is recorded at frequency rank #35,473, classified as aprep, pronounced /kwɑː/. quart is at rank #28,679, tagged as anoun, pronounced /kwɔːt/.
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 64152, this pair ranks #79,217 of 530,003 scored English confusable pairs - among the most confusable pairs.
Frequency comparison
Frequently Asked Questions
Can "qua" and "quart" be used interchangeably?
Remembering qua vs quart
The fastest way to pick the right one every time.
- Check the role first: if you need a preposition, it's “qua”; for a noun, it's “quart”.
- 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