quadvsquayWhat's the difference?

Which to use

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

#11,274
“quad” frequency rank
#20,746
“quay” frequency rank
32020
confusion score

Side-by-Side Comparison

Feature quad quay
Definition Clipping of quadrat. A stone or concrete structure on navigable water used for loading and unloading vessels; a wharf.

Where the eye mixes quad and quay

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
quad
4 ch
quay

Spelling & Dictionary Insight

A purely visual mix-up. quad (/kwɑd/) and quay (/kiː/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - d in “quad” becomes y in “quay”. Our composite confusion score for this pair is 32020, 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/. quay is at rank #20,746, tagged as anoun, pronounced /kiː/.

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 32020, this pair ranks #341,256 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of quad vs quay

Shared letters: aqu. Private to "quad": d. Private to "quay": y.

"quad" · 4 letters · shape CVVC  ·  "quay" · 4 letters · shape CVVV

Known mistypes of this pair

  • quadqaud · qquad · quadd · quda · uqad
  • quayqauy · qquay · quayy · quya · uqay

Frequently Asked Questions

Can "quad" and "quay" be used interchangeably?
No. They are said differently (/kwɑd/ versus /kiː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "quad" or "quay"?
"quad" is the more common of the two: it sits at frequency rank #11,274 in our English list, against #20,746 for "quay". 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