Which to use
“quack” and “quacks” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,927
- “quack” frequency rank
- #47,280
- “quacks” frequency rank
- 74207
- confusion score
Side-by-Side Comparison
| Feature | quack | quacks |
|---|---|---|
| Definition | The sound made by a duck. | plural of quack |
Where the spellings diverge
Shared letters are muted; the letters that actually set quack and quacks apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. quack (/kwæk/) and quacks (/kwæks/) 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 1 extra letter(s) - “quack” sits inside “quacks”. Our composite confusion score for this pair is 74207, derived from the frequency rank of both members and their visual similarity.
quack is recorded at frequency rank #26,927, classified as anoun, pronounced /kwæk/. quacks is at rank #47,280, tagged as anoun, pronounced /kwæks/.
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 74207, this pair ranks #37,063 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of quack vs quacks
Shared letters: ackqu. Private to "quack": -. Private to "quacks": s.
"quack" · 5 letters · shape CVVCC · "quacks" · 6 letters · shape CVVCCC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "quack" and "quacks" be used interchangeably?
Which is more common, "quack" or "quacks"?
Remembering quack vs quacks
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “quack” entry
- Browse more pairs most likely to be confused. Most confusable