effectual vs effective

effectual and effective both are adjectives.

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

As adjectives, effectual and effective are synonyms defined as:

effectual and effective: producing or capable of producing an intended result or having a striking effect

Other synonyms of effectual include efficacious.

effectual (adjective)	effective (adjective)
producing or capable of producing an intended result or having a striking effect	producing or capable of producing an intended result or having a striking effect
having legal efficacy or force	existing in fact; not theoretical; real
	able to accomplish a purpose; functioning effectively
	works well as a means or remedy
	ready for service
	exerting force or influence