haphazardness vs randomness

haphazardness and randomness both are nouns.

Word	Noun	Adjective	Verb	Adverb
haphazardness	Yes	No	No	No
randomness	Yes	No	No	No

As nouns, haphazardness and randomness are synonyms defined as:

haphazardness and randomness: the quality of lacking any predictable order or plan

Other synonyms of haphazardness include noise, stochasticity.

haphazardness (noun)	randomness (noun)
the quality of lacking any predictable order or plan	the quality of lacking any predictable order or plan
	(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work