aim vs take aim

aim is a noun but take aim is not a noun.

Word	Noun	Adjective	Verb	Adverb
aim	Yes	No	Yes	No
take aim	No	No	Yes	No

As verbs, aim and take aim are synonyms defined as:

aim and take aim: point or cause to go (blows, weapons, or objects such as photographic equipment) towards

Other synonyms of aim include direct, take, train.

As verbs, take aim is a hypernym of aim; that is, take aim is a word with a broader meaning than aim:

aim: intend (something) to move towards a certain goal
take aim: point or cause to go (blows, weapons, or objects such as photographic equipment) towards

Other hypernyms of aim include aim, direct, take, train.

aim (noun)	take aim (noun)
the action of directing something at an object
an anticipated outcome that is intended or that guides your planned actions
the goal intended to be attained (and which is believed to be attainable)
the direction or path along which something moves or along which it lies

aim (verb)	take aim (verb)
have an ambitious plan or a lofty goal	point or cause to go (blows, weapons, or objects such as photographic equipment) towards
propose or intend
specifically design a product, event, or activity for a certain public
direct (a remark) toward an intended goal
move into a desired direction of discourse
point or cause to go (blows, weapons, or objects such as photographic equipment) towards
intend (something) to move towards a certain goal