cough vs whoop

cough and whoop both are nouns.

Word	Noun	Adjective	Verb	Adverb
cough	Yes	No	Yes	No
whoop	Yes	No	Yes	No

As verbs, whoop is a hyponym of cough; that is, whoop is a word with a more specific, narrower meaning than cough:

Other hyponyms of cough include hack, clear the throat, hawk.

cough (noun)	whoop (noun)
a sudden noisy expulsion of air from the lungs that clears the air passages; a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis	a loud hooting cry of exultation or excitement

cough (verb)	whoop (verb)
exhale abruptly, as when one has a chest cold or congestion	shout, as if with joy or enthusiasm
	cough spasmodically