everlastingness vs lastingness

everlastingness and lastingness both are nouns.

Word	Noun	Adjective	Verb	Adverb
everlastingness	Yes	No	No	No
lastingness	Yes	No	No	No

As nouns, lastingness is a hypernym of everlastingness; that is, lastingness is a word with a broader meaning than everlastingness:

Other hypernyms of everlastingness include durability, enduringness, strength.

everlastingness (noun)	lastingness (noun)
the property of lasting forever	permanence by virtue of the power to resist stress or force