tell vs teller

tell is not a noun while teller is a noun.

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

tell (noun)	teller (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

tell (verb)	teller (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