tyrannical vs tyrannic

tyrannical and tyrannic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
tyrannical	No	Yes	No	No
tyrannic	No	Yes	No	No

As adjectives, tyrannical and tyrannic are synonyms defined as:

tyrannical and tyrannic: characteristic of an absolute ruler or absolute rule; having absolute sovereignty

Other synonyms of tyrannical include authoritarian, autocratic, despotic, dictatorial.

tyrannical (adjective)	tyrannic (adjective)
marked by unjust severity or arbitrary behavior	characteristic of an absolute ruler or absolute rule; having absolute sovereignty
characteristic of an absolute ruler or absolute rule; having absolute sovereignty