hunker vs crouch

hunker is not a noun while crouch is a noun.

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

As verbs, hunker and crouch are synonyms defined as:

Other synonyms of hunker include hunker down, scrunch, scrunch up, squat.

hunker (noun)	crouch (noun)
	the act of bending low with the limbs close to the body

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