qualvsquoWhat's the difference?

Quick tell: qual is a noun, quo is a verb, so they fill different roles in a sentence.

Which to use

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

#45,609
“qual” frequency rank
#9,947
“quo” frequency rank
55556
confusion score

Side-by-Side Comparison

Feature qual quo
Definition Qualifying exam. An exam taken by someone (usually a grad student or prospective grad student) to measure their mastery in something, usually an academic field. quoth

Where the spellings diverge

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

4 ch
qual
3 ch
quo

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: qual is anoun and quoaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55556, derived from the frequency rank of both members and their visual similarity.

qual is recorded at frequency rank #45,609, classified as anoun. quo is at rank #9,947, tagged as averb, pronounced /kwəʊ/.

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 55556, this pair ranks #132,735 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of qual vs quo

Shared letters: qu. Private to "qual": al. Private to "quo": o.

"qual" · 4 letters · shape CVVC  ·  "quo" · 3 letters · shape CVV

Known mistypes of this pair

  • qualqaul · qqual · quall · qula · uqal

Frequency comparison

qual#45,609
quo#9,947

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "qual" and "quo" be used interchangeably?
No - they are not even the same part of speech. "qual" is a noun and "quo" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "qual" or "quo"?
"quo" is the more common of the two: it sits at frequency rank #9,947 in our English list, against #45,609 for "qual". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering qual vs quo

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “qual”; for a verb, it's “quo”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “qual” 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