exponential vs exponent

exponential and exponent both are nouns.

Word	Noun	Adjective	Verb	Adverb
exponential	Yes	Yes	No	No
exponent	Yes	No	No	No

exponential (noun)	exponent (noun)
a function in which an independent variable appears as an exponent	a mathematical notation indicating the number of times a quantity is multiplied by itself
	a person who pleads for a cause or propounds an idea
	someone who expounds and interprets or explains

exponential (adjective)	exponent (adjective)
of or involving exponents