preexistence vs beingness

preexistence and beingness both are nouns.

Word	Noun	Adjective	Verb	Adverb
preexistence	Yes	No	No	No
beingness	Yes	No	No	No

As nouns, beingness is a hypernym of preexistence; that is, beingness is a word with a broader meaning than preexistence:

Other hypernyms of preexistence include being, existence, face of the earth.

preexistence (noun)	beingness (noun)
existing in a former state or previous to something else	the state or fact of existing