retain vs think of

retain and think of both are verbs.

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

As verbs, think of is a hypernym of retain; that is, think of is a word with a broader meaning than retain:

Other hypernyms of retain include remember.

retain (verb)	think of (verb)
keep in one's mind	keep in mind for attention or consideration
secure and keep for possible future use or application	look on as or consider
allow to remain in a place or position or maintain a property or feature	intend to refer to
hold back within	take into consideration, have in view
	choose in one's mind
	devise or invent