Nazism
Concise Oxford English Dictionary © 2008 Oxford University Press:
Nazi /ˈnɑːtsi/
▶noun (pl. Nazis)
- 1 historical a member of the National Socialist German Workers' Party.
- 2 derogatory a person with extreme racist or authoritarian views.
– derivatives
Nazidom noun,
Nazify verb (Nazifies, Nazifying, Nazified),
Naziism noun,
Nazism noun.
Nazidom noun,
Nazify verb (Nazifies, Nazifying, Nazified),
Naziism noun,
Nazism noun.
– origin Ger., abbrev. representing the pronunc. of Nati- in Nationalsozialist ‘national socialist’, prob. by analogy with Sozi from Sozialist ‘socialist’.
'Nazism' also found in these Oxford entries:

