tell vs pass on

tell and pass on both are verbs.

Word	Noun	Adjective	Verb	Adverb
tell	No	No	Yes	No
pass on	No	No	Yes	No

As verbs, pass on is a hyponym of tell; that is, pass on is a word with a more specific, narrower meaning than tell:

tell (verb)	pass on (verb)
discern or comprehend	transmit information
mark as different	cause to be distributed
let something be known	move forward, also in the metaphorical sense
narrate or give a detailed account of	give to or transfer possession of
give instructions to or direct somebody to do something with authority	place into the hands or custody of
give evidence	transmit (knowledge or skills)
express in words	refer to another person for decision or judgment
inform positively and with certainty and confidence