dispatch vs fulfill

dispatch is a noun but fulfill is not a noun.

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

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

Other hypernyms of dispatch include accomplish, action, carry out, carry through, execute, fulfil.

dispatch (noun)	fulfill (noun)
the act of sending off something
killing a person or animal
the property of being prompt and efficient
an official report (usually sent in haste)

dispatch (verb)	fulfill (verb)
kill without delay	fill, satisfy or meet a want or need or condition or restriction
send away towards a designated goal	put in effect
complete or carry out	meet the requirements or expectations of
kill intentionally and with premeditation
dispose of rapidly and without delay and efficiently