keep vs rule

keep and rule both are nouns.

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

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

keep (noun)	rule (noun)
the main tower within the walls of a medieval castle or fortress	measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
a cell in a jail or prison	a principle or condition that customarily governs behavior
the financial means whereby one lives	something regarded as a normative example
	a rule or law concerning a natural phenomenon or the function of a complex system
	a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
	(mathematics) a standard procedure for solving a class of mathematical problems
	prescribed guide for conduct or action
	(linguistics) a rule describing (or prescribing) a linguistic practice
	directions that define the way a game or sport is to be conducted
	any one of a systematic body of regulations defining the way of life of members of a religious order
	dominance or power through legal authority
	the duration of a monarch's or government's power

keep (verb)	rule (verb)
prevent (food) from rotting	keep in check
prevent the action or expression of	decide with authority
stick to correctly or closely	decide on and make a declaration about
maintain by writing regular records	mark or draw with a ruler
supply with necessities and support	exercise authority over; as of nations
hold and prevent from leaving	be larger in number, quantity, power, status or importance
retain possession of	have an affinity with; of signs of the zodiac
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