fulfill vs effect

fulfill is not a noun while effect is a noun.

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

As verbs, effect is a hypernym of fulfill; that is, effect is a word with a broader meaning than fulfill:

Other hypernyms of fulfill include complete, finish, effectuate, set up.

fulfill (noun)	effect (noun)
	an outward appearance
	(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

fulfill (verb)	effect (verb)
fill, satisfy or meet a want or need or condition or restriction	produce
put in effect	act so as to bring into existence
meet the requirements or expectations of