bending vs crouch

bending and crouch both are nouns.

Word	Noun	Adjective	Verb	Adverb
bending	Yes	No	No	No
crouch	Yes	No	Yes	No

As nouns, crouch is a hyponym of bending; that is, crouch is a word with a more specific, narrower meaning than bending:

Other hyponyms of bending include flexion, flexure, hunch, incurvation.

bending (noun)	crouch (noun)
the act of bending something	the act of bending low with the limbs close to the body
the property of being bent or deflected
movement that causes the formation of a curve

bending (verb)	crouch (verb)
	sit on one's heels
	bend one's back forward from the waist on down