harness vs martingale

harness and martingale both are nouns.

Word	Noun	Adjective	Verb	Adverb
harness	Yes	No	Yes	No
martingale	Yes	No	No	No

harness (noun)	martingale (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 harness strap that connects the nose piece to the girth; prevents the horse from throwing back its head
a support consisting of an arrangement of straps for holding something to the body (especially one supporting a person suspended from a parachute)	spar under the bowsprit of a sailboat

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