effect vs fulfil

effect is a noun but fulfil is not a noun.

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

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

effect (noun)	fulfil (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

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