imminence vs forthcomingness

imminence and forthcomingness both are nouns.

Word	Noun	Adjective	Verb	Adverb
imminence	Yes	No	No	No
forthcomingness	Yes	No	No	No

As nouns, imminence and forthcomingness are synonyms defined as:

imminence and forthcomingness: the state of being imminent and liable to happen soon

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

imminence (noun)	forthcomingness (noun)
the state of being imminent and liable to happen soon	the state of being imminent and liable to happen soon