effectuation vs agency

effectuation and agency both are nouns.

Word	Noun	Adjective	Verb	Adverb
effectuation	Yes	No	No	No
agency	Yes	No	No	No

As nouns, agency is a hyponym of effectuation; that is, agency is a word with a more specific, narrower meaning than effectuation:

effectuation: the act of implementing (providing a practical means for accomplishing something); carrying into effect
agency: to have the ability to produce a particular effect or achieve an end

Other hyponyms of effectuation include invocation, instrumentation, motorisation, motorization, means, way, practice, praxis.

effectuation (noun)	agency (noun)
the act of implementing (providing a practical means for accomplishing something); carrying into effect	to have the ability to produce a particular effect or achieve an end
	an administrative unit of government
	a business or organization that provides a particular service, especially the mediation of transactions between two parties
	the state of serving as an official and authorized delegate or agent
	the state of being in action or exerting power