fascism vs Nazism

fascism and Nazism both are nouns.

Word	Noun	Adjective	Verb	Adverb
fascism	Yes	No	No	No
Nazism	Yes	No	No	No

As nouns, Nazism is a hyponym of fascism; that is, Nazism is a word with a more specific, narrower meaning than fascism:

fascism: a political theory advocating an authoritarian hierarchical government (as opposed to democracy or liberalism)
Nazism: a form of socialism featuring racism and expansionism and obedience to a strong leader

Other hyponyms of fascism include national socialism, Naziism.

fascism (noun)	Nazism (noun)
a political theory advocating an authoritarian hierarchical government (as opposed to democracy or liberalism)	a form of socialism featuring racism and expansionism and obedience to a strong leader