Orient vs East

Orient and East both are nouns.

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

As nouns, Orient and East are synonyms defined as:

Orient (noun)	East (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