take down vs lower

take down is not a noun while lower is a noun.

Word	Noun	Adjective	Verb	Adverb
take down	No	No	Yes	No
lower	Yes	Yes	Yes	No

As verbs, take down and lower are synonyms defined as:

Other synonyms of take down include bring down, get down, let down.

take down (noun)	lower (noun)
	the lower of two berths

take down (adjective)	lower (adjective)
	the bottom one of two

take down (verb)	lower (verb)
make a written note of	make lower or quieter
tear down so as to make flat with the ground	set lower
reduce in worth or character, usually verbally	cause to drop or sink
move something or somebody to a lower position	move something or somebody to a lower position
	look angry or sullen, wrinkle one's forehead, as if to signal disapproval