tell vs assert

tell and assert both are verbs.

Word	Noun	Adjective	Verb	Adverb
tell	No	No	Yes	No
assert	No	No	Yes	No

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

Other hypernyms of tell include affirm, aver, avow, swan, swear, verify.

tell (verb)	assert (verb)
discern or comprehend	postulate positively and assertively
mark as different	to declare or affirm solemnly and formally as true
let something be known	state categorically
narrate or give a detailed account of	insist on having one's opinions and rights recognized
give instructions to or direct somebody to do something with authority
give evidence
express in words
inform positively and with certainty and confidence