solitary vs uninhabited

solitary is a noun but uninhabited is not a noun.

Word	Noun	Adjective	Verb	Adverb
solitary	Yes	Yes	No	No
uninhabited	No	Yes	No	No

solitary (noun)	uninhabited (noun)
one who lives in solitude
confinement of a prisoner in isolation from other prisoners

solitary (adjective)	uninhabited (adjective)
being the only one; single and isolated from others	not having inhabitants; not lived in
lacking companions or companionship
of plants and animals; not growing or living in groups or colonies
devoid of creatures
characterized by or preferring solitude