Imperialist and imperialistic
Hello. I´d like to know if those two words mean the same and, if that´s the case, which one is mores used. Thank you

Question

Answer

imperialist is a noun and imperialistic is an adjective:
As a prime minister he was an imperialist.  He had imperialistic policies

Answer

Words ending in -ism are schools, ideas and beliefs. They are nouns:

Capitalism, communism, socialism, liberalism, federalism

Those ending in -ist are people. They are nouns:
Unionist, maosit, terrorist

The ones ending in -istic are adjectives used with other nouns:

Imperialistic policies, futuristic ideas, kabbalistic teachings

Answer

Thank you very much Steven!