As nouns the difference between ara and ora

is that ara is the great blue and yellow macaw (Ara ararauna) while ora is plural of lang=en; mouths or openings, especially of the cervix.

As proper nouns the difference between ara and ora

is that ara is a constellation of the southern sky, said to resemble an altar while Ora is {{given name|female|from=Latin}}. Mainly used in the U.S.A. in the latter half of the 19th century.

As an initialism ARA

is a prefix applied to ships operated by the Armada de la República Argentina (ARA.