dictatorially vs dictatorial

dictatorially is not an adjective while dictatorial is an adjective.

Word	Noun	Adjective	Verb	Adverb
dictatorially	No	No	No	Yes
dictatorial	No	Yes	No	No

dictatorially (adjective)	dictatorial (adjective)
	of or characteristic of a dictator
	expecting unquestioning obedience
	characteristic of an absolute ruler or absolute rule; having absolute sovereignty

dictatorially (adverb)	dictatorial (adverb)
in an overbearingly domineering manner; as a dictator