think of vs make up

think of and make up both are verbs.

Word	Noun	Adjective	Verb	Adverb
think of	No	No	Yes	No
make up	No	No	Yes	No

As verbs, make up is a hyponym of think of; that is, make up is a word with a more specific, narrower meaning than think of:

Other hyponyms of think of include idealise, idealize, cook up, fabricate, invent, manufacture.

think of (verb)	make up (verb)
keep in mind for attention or consideration	apply make-up or cosmetics to one's face to appear prettier
look on as or consider	put in order or neaten
intend to refer to	come to terms
take into consideration, have in view	concoct something artificial or untrue
choose in one's mind	devise or compose
devise or invent	do or give something to somebody in return
	make up work that was missed due to absence at a later point
	form or compose
	adjust for