think of vs invent

think of and invent both are verbs.

Word	Noun	Adjective	Verb	Adverb
think of	No	No	Yes	No
invent	No	No	Yes	No

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

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

think of (verb)	invent (verb)
keep in mind for attention or consideration	come up with (an idea, plan, explanation, theory, or principle) after a mental effort
look on as or consider	concoct something artificial or untrue
intend to refer to
take into consideration, have in view
choose in one's mind
devise or invent