East vs Orient

East and Orient both are nouns.

Word	Noun	Adjective	Verb	Adverb
East	Yes	No	No	No
Orient	Yes	No	No	No

As nouns, East and Orient are synonyms defined as:

East (noun)	Orient (noun)
the countries of Asia	the countries of Asia
the region of the United States lying to the north of the Ohio River and to the east of the Mississippi River