Bolshevistic vs Bolshevik

Bolshevistic is not a noun while Bolshevik is a noun.

Word	Noun	Adjective	Verb	Adverb
Bolshevistic	No	Yes	No	No
Bolshevik	Yes	Yes	No	No

As adjectives, Bolshevistic and Bolshevik are synonyms defined as:

Other synonyms of Bolshevistic include Bolshevist.

Bolshevistic (noun)	Bolshevik (noun)
	emotionally charged terms used to refer to extreme radicals or revolutionaries
	a Russian member of the left-wing majority group that followed Lenin and eventually became the Russian communist party

Bolshevistic (adjective)	Bolshevik (adjective)
of or relating to Bolshevism	of or relating to Bolshevism