haphazardly vs randomly

haphazardly and randomly both are adverbs.

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

As adverbs, haphazardly and randomly are synonyms defined as:

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

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