imperishingness vs imperishableness

imperishingness and imperishableness both are nouns.

Word	Noun	Adjective	Verb	Adverb
imperishingness	Yes	No	No	No
imperishableness	Yes	No	No	No

As nouns, imperishingness and imperishableness are synonyms defined as:

imperishingness and imperishableness: the property of being resistant to decay

Other synonyms of imperishingness include imperishability.

imperishingness (noun)	imperishableness (noun)
the property of being resistant to decay	the property of being resistant to decay