randomly vs haphazardly

randomly and haphazardly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
randomly	No	No	No	Yes
haphazardly	No	No	No	Yes

As adverbs, randomly and haphazardly are synonyms defined as:

Other synonyms of randomly include arbitrarily, at random, every which way, indiscriminately, willy-nilly.

randomly (adverb)	haphazardly (adverb)
in a random manner	in a random manner
	without care; in a slapdash manner