draw rein vs harness

draw rein is not a noun while harness is a noun.

Word	Noun	Adjective	Verb	Adverb
draw rein	No	No	Yes	No
harness	Yes	No	Yes	No

As verbs, draw rein and harness are synonyms defined as:

Other synonyms of draw rein include rein, rein in.

draw rein (noun)	harness (noun)
	stable gear consisting of an arrangement of leather straps fitted to a draft animal so that it can be attached to and pull a cart
	a support consisting of an arrangement of straps for holding something to the body (especially one supporting a person suspended from a parachute)

draw rein (verb)	harness (verb)
control and direct with or as if by reins	keep in check
	exploit the power of
	put a harness
	control and direct with or as if by reins