Which to use
“quack” is a noun and “quash” is a verb - they look or sound alike but fill different roles in a sentence.
- #26,927
- “quack” frequency rank
- #39,506
- “quash” frequency rank
- 66433
- confusion score
Side-by-Side Comparison
| Feature | quack | quash |
|---|---|---|
| Definition | The sound made by a duck. | To defeat decisively, to suppress. |
Where the eye mixes quack and quash
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. quack and quash follow the identical consonant-vowel pattern (CVVCC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses quack with quash
These two trip readers on the page rather than in the ear: quack is /kwæk/ while quash is /kwɒʃ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 66433, 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/. quash is at rank #39,506, tagged as averb, pronounced /kwɒʃ/.
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 66433, this pair ranks #68,005 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of quack vs quash
Shared letters: aqu. Private to "quack": ck. Private to "quash": hs.
"quack" · 5 letters · shape CVVCC · "quash" · 5 letters · shape CVVCC
Known mistypes of this pair
Frequently Asked Questions
Do "quack" and "quash" mean the same thing in a sentence?
Frequency check: "quack" vs "quash" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "quack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "quash" - compare definitions side by side with the headword page. Word entry
- This pair ranks #68,005 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "quack" and "quash" also get mixed up with nearby pairs, the highest-scored neighbour is "quant vs quash". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #68,005 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.