orient vs reorient

orient is a noun but reorient is not a noun.

Word	Noun	Adjective	Verb	Adverb
orient	Yes	No	Yes	No
reorient	No	No	Yes	No

As verbs, reorient is a hyponym of orient; that is, reorient is a word with a more specific, narrower meaning than orient:

Other hyponyms of orient include guide, guide on, reorientate.

orient (noun)	reorient (noun)
the hemisphere that includes Eurasia and Africa and Australia

orient (verb)	reorient (verb)
adjust to a specific need or market	set or arrange in a new or different determinate position
familiarize (someone) with new surroundings or circumstances	cause to turn
determine one's position with reference to another point	orient once again, after a disorientation
be oriented
cause to point