willy-nilly vs randomly

willy-nilly and randomly both are adverbs.

Word	Noun	Adjective	Verb	Adverb
willy-nilly	No	No	No	Yes
randomly	No	No	No	Yes

As adverbs, willy-nilly and randomly are synonyms defined as:

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

willy-nilly (adverb)	randomly (adverb)
in a random manner	in a random manner
without having a choice