Orion vs Hunter

Orion and Hunter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orion	Yes	No	No	No
Hunter	Yes	No	No	No

As nouns, Orion and Hunter are synonyms defined as:

Orion and Hunter: a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel

Orion (noun)	Hunter (noun)
a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel	a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel
(Greek mythology) a giant Boeotian hunter who pursued the Pleiades and was eventually slain by Artemis; was then placed in the sky as a constellation