sum up vs tell

sum up and tell both are verbs.

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

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

Other hypernyms of sum up include say, state.

sum up (verb)	tell (verb)
give a summary (of)	discern or comprehend
determine the sum of	mark as different
be a summary of	let something be known
	narrate or give a detailed account of
	give instructions to or direct somebody to do something with authority
	give evidence
	express in words
	inform positively and with certainty and confidence