report vs despatch

report and despatch both are nouns.

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

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

Other hyponyms of report include newsletter, newssheet, bulletin, communique, dispatch, urban legend, exclusive, scoop.

report (noun)	despatch (noun)
the general estimation that the public has for a person	the act of sending off something
a short account of the news	killing a person or animal
the act of informing by verbal report	the property of being prompt and efficient
an essay (especially one written as an assignment)	an official report (usually sent in haste)
a written document describing the findings of some individual or group
a written evaluation of a student's scholarship and deportment
a sharp explosive sound (especially the sound of a gun firing)

report (verb)	despatch (verb)
to give an account or representation of in words	send away towards a designated goal
make known to the authorities
complain about; make a charge against
announce one's presence
announce as the result of an investigation or experience or finding
be responsible for reporting the details of, as in journalism