antiquatedness vs obsoleteness

antiquatedness and obsoleteness both are nouns.

Word	Noun	Adjective	Verb	Adverb
antiquatedness	Yes	No	No	No
obsoleteness	Yes	No	No	No

As nouns, obsoleteness is a hypernym of antiquatedness; that is, obsoleteness is a word with a broader meaning than antiquatedness:

antiquatedness: The state or quality of being outmoded or discredited by reason of age, of being out of style or fashion.
obsoleteness: the property of being out of date and not current

Other hypernyms of antiquatedness include superannuation.

antiquatedness (noun)	obsoleteness (noun)
The state or quality of being outmoded or discredited by reason of age, of being out of style or fashion.	the property of being out of date and not current