get at vs attain

get at and attain both are verbs.

Word	Noun	Adjective	Verb	Adverb
get at	No	No	Yes	No
attain	No	No	Yes	No

As verbs, attain is a hypernym of get at; that is, attain is a word with a broader meaning than get at:

Other hypernyms of get at include arrive at, gain, hit, make, reach.

get at (verb)	attain (verb)
cause annoyance in; disturb, especially by minor irritations	reach a point in time, or a certain state or level
reach or gain access to	reach a destination, either real or abstract
influence by corruption	find unexpectedly
	to gain with effort