despatch vs killing

despatch and killing both are nouns.

Word	Noun	Adjective	Verb	Adverb
despatch	Yes	No	Yes	No
killing	Yes	Yes	No	No

As nouns, killing is a hypernym of despatch; that is, killing is a word with a broader meaning than despatch:

Other hypernyms of despatch include kill, putting to death.

despatch (noun)	killing (noun)
the act of sending off something	the act of terminating a life
killing a person or animal	an event that causes someone to die
the property of being prompt and efficient	a very large profit
an official report (usually sent in haste)

despatch (adjective)	killing (adjective)
	very funny

despatch (verb)	killing (verb)
send away towards a designated goal