brainwashing vs indoctrination

brainwashing and indoctrination both are nouns.

Word	Noun	Adjective	Verb	Adverb
brainwashing	Yes	No	No	No
indoctrination	Yes	No	No	No

As nouns, indoctrination is a hypernym of brainwashing; that is, indoctrination is a word with a broader meaning than brainwashing:

brainwashing: forcible indoctrination into a new set of attitudes and beliefs
indoctrination: teaching someone to accept doctrines uncritically

brainwashing (noun)	indoctrination (noun)
forcible indoctrination into a new set of attitudes and beliefs	teaching someone to accept doctrines uncritically