pus vs humour

pus and humour both are nouns.

Word	Noun	Adjective	Verb	Adverb
pus	Yes	No	No	No
humour	Yes	No	Yes	No

As nouns, humour is a hypernym of pus; that is, humour is a word with a broader meaning than pus:

Other hypernyms of pus include bodily fluid, body fluid, humor, liquid body substance.

pus (noun)	humour (noun)
a fluid product of inflammation	the quality of being funny
	the trait of appreciating (and being able to express) the humorous
	the liquid parts of the body
	(Middle Ages) one of the four fluids in the body whose balance was believed to determine your emotional and physical state
	a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
	a characteristic (habitual or relatively temporary) state of feeling

pus (verb)	humour (verb)
	put into a good mood