powerful vs potent

powerful and potent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
powerful	No	Yes	No	Yes
potent	No	Yes	No	No

As adjectives, powerful and potent are synonyms defined as:

powerful (adjective)	potent (adjective)
having great power or force or potency or effect	having a strong physiological or chemical effect
having great influence	(of a male) capable of copulation
displaying superhuman strength or power	having great influence
(of a person) possessing physical strength and weight; rugged and powerful	having or wielding force or authority
strong enough to knock down or overwhelm

powerful (adverb)	potent (adverb)
(Southern regional intensive) very; to a great degree