extraversion vs sociableness

extraversion and sociableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
extraversion	Yes	No	No	No
sociableness	Yes	No	No	No

As nouns, sociableness is a hypernym of extraversion; that is, sociableness is a word with a broader meaning than extraversion:

extraversion: (psychology) an extroverted disposition; concern with what is outside the self
sociableness: the relative tendency or disposition to be sociable or associate with one's fellows

Other hypernyms of extraversion include sociability.

extraversion (noun)	sociableness (noun)
(psychology) an extroverted disposition; concern with what is outside the self	the relative tendency or disposition to be sociable or associate with one's fellows