think of vs keep note

think of and keep note both are verbs.

Word	Noun	Adjective	Verb	Adverb
think of	No	No	Yes	No
keep note	No	No	Yes	No

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

Other hyponyms of think of include bear in mind, mind, retain, characterise, characterize, qualify.

think of (verb)	keep note (verb)
keep in mind for attention or consideration	maintain in the forefront of one's awareness
look on as or consider
intend to refer to
take into consideration, have in view
choose in one's mind
devise or invent