stagnation vs stagnancy

stagnation and stagnancy both are nouns.

Word	Noun	Adjective	Verb	Adverb
stagnation	Yes	No	No	No
stagnancy	Yes	No	No	No

As nouns, stagnation and stagnancy are synonyms defined as:

stagnation and stagnancy: a state of inactivity (in business or art etc)

Other synonyms of stagnation include doldrums.

As nouns, stagnation and stagnancy are synonyms defined as:

stagnation and stagnancy: inactivity of liquids; being stagnant; standing still; without current or circulation

stagnation (noun)	stagnancy (noun)
a state of inactivity (in business or art etc)	a state of inactivity (in business or art etc)
inactivity of liquids; being stagnant; standing still; without current or circulation	inactivity of liquids; being stagnant; standing still; without current or circulation