unhitch vs hitch

unhitch is not a noun while hitch is a noun.

Word	Noun	Adjective	Verb	Adverb
unhitch	No	No	Yes	No
hitch	Yes	No	Yes	No

unhitch (noun)	hitch (noun)
	the uneven manner of walking that results from an injured leg
	a knot that can be undone by pulling against the strain that holds it; a temporary knot
	a connection between a vehicle and the load that it pulls
	any obstruction that impedes or is burdensome
	an unforeseen obstacle
	the state of inactivity following an interruption
	a period of time spent in military service

unhitch (verb)	hitch (verb)
unfasten or release from or as if from a hitch	to hook or entangle
	connect to a vehicle:
	travel by getting free rides from motorists
	walk impeded by some physical limitation or injury
	jump vertically, with legs stiff and back arched