quadvsquizWhat's the difference?

Which to use

“quad” and “quiz” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#11,274
“quad” frequency rank
#9,385
“quiz” frequency rank
20659
confusion score

Side-by-Side Comparison

Feature quad quiz
Definition Clipping of quadrat. An odd, puzzling or absurd person or thing.

Where the eye mixes quad and quiz

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
quad
4 ch
quiz

Spelling & Dictionary Insight

A purely visual mix-up. quad (/kwɑd/) and quiz (/kwɪz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 20659, derived from the frequency rank of both members and their visual similarity.

quad is recorded at frequency rank #11,274, classified as anoun, pronounced /kwɑd/. quiz is at rank #9,385, tagged as anoun, pronounced /kwɪz/.

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 20659, this pair ranks #429,580 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of quad vs quiz

Shared letters: qu. Private to "quad": ad. Private to "quiz": iz.

"quad" · 4 letters · shape CVVC  ·  "quiz" · 4 letters · shape CVVC

Known mistypes of this pair

  • quadqaud · qquad · quadd · quda · uqad
  • quizqiuz · qquiz · quizz · quzi · uqiz

Frequently Asked Questions

Can "quad" and "quiz" be used interchangeably?
No. They are said differently (/kwɑd/ versus /kwɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "quad" or "quiz"?
"quiz" is the more common of the two: it sits at frequency rank #9,385 in our English list, against #11,274 for "quad". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list