Communist (?.)
- Bolshevik
- Bolshevist
- Bolshie
- Carbonarist
- Carbonaro
- Castroist
- Castroite
- Charley
- Communist sympathizer
- Cong
- Fenian
- Guevarist
- Jacobin
- Leninist
- Maoist
- Marxist
- Marxist-Leninist
- Mau-Mau
- Puritan
- Red
- Red Republican
- Roundhead
- Sinn Feiner
- Stalinist
- Titoist
- Trotskyist
- Trotskyite
- VC
- Vietcong
- Yankee
- Yankee Doodle
- anarch
- anarchist
- avowed Communist
- bolshie
- bonnet rouge
- commie
- criminal syndicalist
- fellow traveler
- rebel
- red
- revisionist
- revolutionary
- revolutionary junta
- revolutioner
- revolutionist
- revolutionizer
- sans-culotte
- sans-culottist
- subversive
- syndicalist
- terrorist
