impendency vs imminentness

impendency and imminentness both are nouns.

Word	Noun	Adjective	Verb	Adverb
impendency	Yes	No	No	No
imminentness	Yes	No	No	No

As nouns, impendency and imminentness are synonyms defined as:

impendency and imminentness: the state of being imminent and liable to happen soon

Other synonyms of impendency include forthcomingness, imminence, imminency, impendence.

impendency (noun)	imminentness (noun)
the state of being imminent and liable to happen soon	the state of being imminent and liable to happen soon