quickness vs dispatch

quickness and dispatch both are nouns.

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

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

quickness (noun)	dispatch (noun)
a rate that is rapid	the act of sending off something
intelligence as revealed by an ability to give correct responses without delay	killing a person or animal
skillful performance or ability without difficulty	the property of being prompt and efficient
	an official report (usually sent in haste)

quickness (verb)	dispatch (verb)
	kill without delay
	send away towards a designated goal
	complete or carry out
	kill intentionally and with premeditation
	dispose of rapidly and without delay and efficiently