ejection vs banishment

ejection and banishment both are nouns.

Word	Noun	Adjective	Verb	Adverb
ejection	Yes	No	No	No
banishment	Yes	No	No	No

As nouns, banishment is a hypernym of ejection; that is, banishment is a word with a broader meaning than ejection:

ejection: the act of forcing out someone or something
banishment: rejection by means of an act of banishing or proscribing someone

Other hypernyms of ejection include proscription.

ejection (noun)	banishment (noun)
the act of forcing out someone or something	rejection by means of an act of banishing or proscribing someone
the act of expelling or projecting or ejecting	the state of being banished or ostracized (excluded from society by general consent)