imminency vs impendence

imminency and impendence both are nouns.

Word	Noun	Adjective	Verb	Adverb
imminency	Yes	No	No	No
impendence	Yes	No	No	No

As nouns, imminency and impendence are synonyms defined as:

imminency and impendence: the state of being imminent and liable to happen soon

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

imminency (noun)	impendence (noun)
the state of being imminent and liable to happen soon	the state of being imminent and liable to happen soon