pliancy vs adaptability

pliancy and adaptability both are nouns.

Word	Noun	Adjective	Verb	Adverb
pliancy	Yes	No	No	No
adaptability	Yes	No	No	No

As nouns, adaptability is a hypernym of pliancy; that is, adaptability is a word with a broader meaning than pliancy:

pliancy: adaptability of mind or character
adaptability: the ability to change (or be changed) to fit changed circumstances

pliancy (noun)	adaptability (noun)
adaptability of mind or character	the ability to change (or be changed) to fit changed circumstances
the property of being pliant and flexible