flexibility vs flexible

flexibility is a noun but flexible is not a noun.

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

flexibility (noun)	flexible (noun)
the quality of being adaptable or variable
the property of being flexible; easily bent or shaped
the trait of being easily persuaded

flexibility (adjective)	flexible (adjective)
	able to flex; able to bend easily
	capable of being changed
	making or willing to make concessions
	able to adjust readily to different conditions
	bending and snapping back readily without breaking