banish vs ostracize

banish and ostracize both are verbs.

Word	Noun	Adjective	Verb	Adverb
banish	No	No	Yes	No
ostracize	No	No	Yes	No

As verbs, banish and ostracize are synonyms defined as:

Other synonyms of banish include ban, blackball, cast out, ostracise, shun.

banish (verb)	ostracize (verb)
drive away	avoid speaking to or dealing with
expel, as if by official decree	expel from a community or group
expel from a community or group
ban from a place of residence, as for punishment