humour vs gratify

humour is a noun but gratify is not a noun.

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

As verbs, gratify is a hypernym of humour; that is, gratify is a word with a broader meaning than humour:

Other hypernyms of humour include indulge, pander.

humour (noun)	gratify (noun)
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

humour (verb)	gratify (verb)
put into a good mood	yield (to); give satisfaction to
	make happy or satisfied