Very large answer... sorry!
Actually both regimes are so close...
Y hope my large anwer will be helpfull
1. Communism and Nazism are totalist ideologies, aimed at achieving the dictatorship of the proletariat (communism) or racial supremacy (Nazism). In both cases the existence of individuality is denied, hence the hatred that both share against liberalism.
2. Both regimes are based on a single party, supervised by a "leader." In Nazism that party is embodied by the NSDAP (re-founded in 1924) and in communism by the PCUS (founded in 1923, one year after the creation of the USSR). Behind the single party is always the almighty figure of a dictator embodying the principle of authority or caudillismo. The match is what the leader thinks.
3. Communism and Nazism needed to feed their hate speech the creation of external and internal enemies. Communism found its main enemies in western and liberal democracies, capitalism, imperialism and fascism.
Nazism on the other hand shares many of these enemies, being able to highlight among its main objectives the Jews, capitalism, Western and liberal democracies, the League of Nations, the Communists, the Social Democrats and other "anti-social" elements.
4. Both totalitarian ideologies are clearly anti-clerical. Both regimes relentlessly pursued any religious cult and especially Christianity for its social relevance.
5. Use of terror and purges as a weapon of control, domination and maintenance of power. This is the most visible and known aspect of totalitarian horror.
6. Another type of terror widely used by communism was the famines caused (famine of 1921, Ukrainian Holodomor of 1932-1933 with between 7 and 10 million victims).
The Nazis also employed hunger as a weapon of war outside the death camps. In 1941, the "Hunger Plan" began to be applied, which implied that Jews living in the occupied territories would be given a maximum of 420 kilocalories a day, a ration much lower than that needed to survive. According to data recently contributed by the historian Snyder, such a plan meant 4.2 million hungry people.
7. Both totalitarian systems told a secret police as effective as criminal. In the USSR, the NKVD or People's Commissariat for Internal Affairs was created in 1934. In Nazi Germany, the GESTAPO and the KRIPO prevails since 1933. To facilitate police work, the population is educated in the complaint and in the complaint, even among members of the same family.
8. Mass communication is used to radically transform society according to the ideal model of each tyrant. And for that nothing more suitable than creating heroes and martyrs. The communists had Stajanov and the Nazis Horst Wessel.
9. Both totalitarianisms were so compatible and interchangeable that for almost two years (1939 to June 22, 1941) they were allies. The Ribbentrop – Molotov Pact (of August 23, 1939) meant not only an agreement of non-aggression between the two powers, but the recognition of mutual interests in Poland and of the exclusive Soviet interests in Finland, Estonia, Latvia and Lithuania.
10. Fascism is a revolutionary, republican and SOCIALIST movement to the full extent of the word.
11. Fascism is anti-capitalist and seeks the dictatorship of the proletariat exactly like Marxism.
12. The germ of fascism, the Verona manifesto, was written by Nicola Bombacci, founder of the ITALIAN COMMUNIST PARTY
13. The economy of fascist governments, including Nazi Germany, was a highly statistically directed economy. The State supervised and interfered in absolutely all economic and industrial aspects of the country. The economy was planned to the fullest, exactly as in communist regimes based on the same schemes.
14. The difference between a socialism and a fascism is that fascism is much more nationalistic.
