coughvscoupWhat's the difference?

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

Which to use

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

#7,668
“cough” frequency rank
#7,113
“coup” frequency rank
14781
confusion score

Side-by-Side Comparison

Feature cough coup
Definition Sometimes followed by up: to force (something) out of the lungs or throat by pushing air from the lungs through the glottis (causing a short, explosive sound), and out through the mouth. A quick, brilliant, and highly successful act.

Where the eye mixes cough and coup

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

5 ch
cough
4 ch
coup

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: cough is /kɒf/ while coup is /kuː/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 14781, derived from the frequency rank of both members and their visual similarity.

cough is recorded at frequency rank #7,668, classified as averb, pronounced /kɒf/. coup is at rank #7,113, tagged as anoun, pronounced /kuː/.

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 14781, this pair ranks #467,987 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cough vs coup

Shared letters: cou. Private to "cough": gh. Private to "coup": p.

"cough" · 5 letters · shape CVVCC  ·  "coup" · 4 letters · shape CVVC

Known mistypes of this pair

  • coughccough · coguh · couggh · coughh · couhg · cuogh · ocugh
  • coupccoup · copu · coupp · cuop · ocup

Frequently Asked Questions

Can "cough" and "coup" be used interchangeably?
No - they are not even the same part of speech. "cough" is a verb and "coup" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "cough" or "coup"?
"coup" is the more common of the two: it sits at frequency rank #7,113 in our English list, against #7,668 for "cough". 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