bendability vs flexibility

bendability and flexibility both are nouns.

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

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

Other hypernyms of bendability include flexibleness.

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