despotic vs tyrannical

despotic and tyrannical both are adjectives.

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

As adjectives, despotic and tyrannical are synonyms defined as:

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

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

despotic (adjective)	tyrannical (adjective)
belonging to or having the characteristics of a despot	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
ruled by or characteristic of a despot