at random vs every which way

at random and every which way both are adverbs.

Word	Noun	Adjective	Verb	Adverb
at random	No	No	No	Yes
every which way	No	No	No	Yes

As adverbs, at random and every which way are synonyms defined as:

Other synonyms of at random include arbitrarily, haphazardly, indiscriminately, randomly, willy-nilly.

at random (adverb)	every which way (adverb)
in a random manner	haphazardly
	in a random manner