effectual vs efficient

effectual and efficient both are adjectives.

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

effectual (adjective)	efficient (adjective)
producing or capable of producing an intended result or having a striking effect	being effective without wasting time or effort or expense
having legal efficacy or force	able to accomplish a purpose; functioning effectively