effectiveness vs power

effectiveness and power both are nouns.

Word	Noun	Adjective	Verb	Adverb
effectiveness	Yes	No	No	No
power	Yes	No	Yes	No

As nouns, power is a hypernym of effectiveness; that is, power is a word with a broader meaning than effectiveness:

effectiveness: power to be effective; the quality of being able to bring about an effect
power: possession of controlling influence

Other hypernyms of effectiveness include powerfulness.

As nouns, power is a hypernym of effectiveness; that is, power is a word with a broader meaning than effectiveness:

Other hypernyms of effectiveness include powerfulness.

effectiveness (noun)	power (noun)
power to be effective; the quality of being able to bring about an effect	possession of controlling influence
capacity to produce strong physiological or chemical effects	physical strength
	possession of the qualities (especially mental qualities) required to do something or get something done
	a mathematical notation indicating the number of times a quantity is multiplied by itself
	a state powerful enough to influence events throughout the world
	one possessing or exercising power or influence or authority
	a very wealthy or powerful businessman
	(physics) the rate of doing work; measured in watts (= joules/second)
	energy made available by the flow of electric charge through a conductor
	(of a government or government official) holding an office means being in power

effectiveness (verb)	power (verb)
	supply the force or power for the functioning of