body fluid vs humour

body fluid and humour both are nouns.

Word	Noun	Adjective	Verb	Adverb
body fluid	Yes	No	No	No
humour	Yes	No	Yes	No

As nouns, body fluid and humour are synonyms defined as:

Other synonyms of body fluid include bodily fluid, humor, liquid body substance.

body fluid (noun)	humour (noun)
the liquid parts of the body	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

body fluid (verb)	humour (verb)
	put into a good mood