sterileness vs sanitariness

sterileness and sanitariness both are nouns.

Word	Noun	Adjective	Verb	Adverb
sterileness	Yes	No	No	No
sanitariness	Yes	No	No	No

As nouns, sanitariness is a hypernym of sterileness; that is, sanitariness is a word with a broader meaning than sterileness:

sterileness: (of non-living objects) the state of being free of pathogenic organisms
sanitariness: the state of being conducive to health

sterileness (noun)	sanitariness (noun)
(of non-living objects) the state of being free of pathogenic organisms	the state of being conducive to health