keep vs harness

keep and harness both are nouns.

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

As verbs, harness is a hyponym of keep; that is, harness is a word with a more specific, narrower meaning than keep:

keep (noun)	harness (noun)
the main tower within the walls of a medieval castle or fortress	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 cell in a jail or prison	a support consisting of an arrangement of straps for holding something to the body (especially one supporting a person suspended from a parachute)
the financial means whereby one lives

keep (verb)	harness (verb)
prevent (food) from rotting	keep in check
prevent the action or expression of	exploit the power of
stick to correctly or closely	put a harness
maintain by writing regular records	control and direct with or as if by reins
supply with necessities and support
hold and prevent from leaving
retain possession of
look after; be the keeper of; have charge of
retain rights to
maintain for use and service
have as a supply
store or keep customarily
stop (someone or something) from doing something or being in a certain state
allow to remain in a place or position or maintain a property or feature
conform one's action or practice to
behave as expected during of holidays or rites
cause to continue in a certain state, position, or activity
supply with room and board
maintain in safety from injury, harm, or danger
fail to spoil or rot
continue a certain state, condition, or activity
to rear