bottom out vs attain

bottom out and attain both are verbs.

Word	Noun	Adjective	Verb	Adverb
bottom out	No	No	Yes	No
attain	No	No	Yes	No

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

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

bottom out (verb)	attain (verb)
hit the ground	reach a point in time, or a certain state or level
reach the low point	reach a destination, either real or abstract
	find unexpectedly
	to gain with effort