yielding vs flexible

yielding is a noun but flexible is not a noun.

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

yielding (noun)	flexible (noun)
the act of conceding or yielding
a verbal act of admitting defeat

yielding (adjective)	flexible (adjective)
tending to give in or surrender or agree	able to flex; able to bend easily
inclined to yield to argument or influence or control	capable of being changed
lacking stiffness and giving way to pressure	making or willing to make concessions
	able to adjust readily to different conditions
	bending and snapping back readily without breaking