martinet vs dictator

martinet and dictator both are nouns.

Word	Noun	Adjective	Verb	Adverb
martinet	Yes	No	No	No
dictator	Yes	No	No	No

As nouns, dictator is a hypernym of martinet; that is, dictator is a word with a broader meaning than martinet:

Other hypernyms of martinet include authoritarian.

martinet (noun)	dictator (noun)
someone who demands exact conformity to rules and forms	a ruler who is unconstrained by law
	a person who behaves in a tyrannical manner
	a speaker who dictates to a secretary or a recording machine