tyrannous vs tyrannical

tyrannous and tyrannical both are adjectives.

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

As adjectives, tyrannous and tyrannical are synonyms defined as:

tyrannous and tyrannical: marked by unjust severity or arbitrary behavior

Other synonyms of tyrannous include oppressive.

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