docket vs sum up

docket is a noun but sum up is not a noun.

Word	Noun	Adjective	Verb	Adverb
docket	Yes	No	Yes	No
sum up	No	No	Yes	No

As verbs, sum up is a hypernym of docket; that is, sum up is a word with a broader meaning than docket:

docket: make a summary or abstract of a legal document and inscribe it in a list
sum up: give a summary (of)

Other hypernyms of docket include resume, summarise, summarize.

docket (noun)	sum up (noun)
a temporally organized plan for matters to be attended to
(law) the calendar of a court; the list of cases to be tried or a summary of the court's activities

docket (verb)	sum up (verb)
make a summary or abstract of a legal document and inscribe it in a list	give a summary (of)
place on the docket for legal action	determine the sum of
	be a summary of