puissant vs powerful

puissant and powerful both are adjectives.

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

puissant (adjective)	powerful (adjective)
powerful or influential	having great power or force or potency or effect
	having great influence
	displaying superhuman strength or power
	(of a person) possessing physical strength and weight; rugged and powerful
	strong enough to knock down or overwhelm

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