anti-Sovietism
It took many years until Sovietism expired.
Was Fascism invented as a force to use against Sovietism?
There were a number of thinkers who predicted the collapse of Sovietism.
Brecht was identified in FBI files as "a propagandist of communism and sovietism".

SMART Vocabulary: related words and phrases

Political movements & groups
alt-right
ANC
anti-Bolshevik
anti-Bolshevism
anti-capitalism
big tent
black bloc
Blairite
Blue Dog
left-winger
leftism
leftist
leftward
lefty
sectarian
sectarianism
segregationist
Sinn Fein
the awkward gangidiom
the SDLP