pliability vs flexibility

pliability and flexibility both are nouns.

Word	Noun	Adjective	Verb	Adverb
pliability	Yes	No	No	No
flexibility	Yes	No	No	No

As nouns, flexibility is a hypernym of pliability; that is, flexibility is a word with a broader meaning than pliability:

Other hypernyms of pliability include flexibleness.

pliability (noun)	flexibility (noun)
adaptability of mind or character	the quality of being adaptable or variable
the property of being easily bent without breaking	the property of being flexible; easily bent or shaped
	the trait of being easily persuaded