ergodicity vs haphazardness

ergodicity and haphazardness both are nouns.

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

As nouns, haphazardness is a hypernym of ergodicity; that is, haphazardness is a word with a broader meaning than ergodicity:

ergodicity: an attribute of stochastic systems; generally, a system that tends in probability to a limiting form that is independent of the initial conditions
haphazardness: the quality of lacking any predictable order or plan

Other hypernyms of ergodicity include noise, randomness, stochasticity.

ergodicity (noun)	haphazardness (noun)
an attribute of stochastic systems; generally, a system that tends in probability to a limiting form that is independent of the initial conditions	the quality of lacking any predictable order or plan