teller vs tell

teller is a noun but tell is not a noun.

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

teller (noun)	tell (noun)
an employee of a bank who receives and pays out money
an official appointed to count the votes (especially in legislative assembly)
someone who tells a story

teller (verb)	tell (verb)
	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