fallout vs effect

fallout and effect both are nouns.

Word	Noun	Adjective	Verb	Adverb
fallout	Yes	No	No	No
effect	Yes	No	Yes	No

As nouns, effect is a hypernym of fallout; that is, effect is a word with a broader meaning than fallout:

Other hypernyms of fallout include consequence, event, issue, outcome, result, upshot.

fallout (noun)	effect (noun)
any adverse and unwanted secondary effect	an outward appearance
the radioactive particles that settle to the ground after a nuclear explosion	(of a law) having legal validity
	an impression (especially one that is artificial or contrived)
	the central meaning or theme of a speech or literary work
	a phenomenon that follows and is caused by some previous phenomenon
	a symptom caused by an illness or a drug

fallout (verb)	effect (verb)
	produce
	act so as to bring into existence