effectual vs powerful

effectual and powerful both are adjectives.

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

effectual (adjective)	powerful (adjective)
producing or capable of producing an intended result or having a striking effect	having great power or force or potency or effect
having legal efficacy or force	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

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