sterility vs sterileness

sterility and sterileness both are nouns.

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

As nouns, sterility and sterileness are synonyms defined as:

sterility and sterileness: (of non-living objects) the state of being free of pathogenic organisms

Other synonyms of sterility include antisepsis, asepsis.

sterility (noun)	sterileness (noun)
the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate	(of non-living objects) the state of being free of pathogenic organisms
(of non-living objects) the state of being free of pathogenic organisms