timelessness vs beingness

timelessness and beingness both are nouns.

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

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

timelessness: a state of eternal existence believed in some religions to characterize the afterlife
beingness: the state or fact of existing

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

timelessness (noun)	beingness (noun)
The property of not being restricted to a particular time or date.	the state or fact of existing
a state of eternal existence believed in some religions to characterize the afterlife