secern vs tell

secern and tell both are verbs.

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

As verbs, secern and tell are synonyms defined as:

Other synonyms of secern include differentiate, distinguish, secernate, separate, severalise, severalize, tell apart.

secern (verb)	tell (verb)
mark as different	discern or comprehend
	mark as different
	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