locative vs locative case

locative and locative case both are nouns.

Word	Noun	Adjective	Verb	Adverb
locative	Yes	No	No	No
locative case	Yes	No	No	No

As nouns, locative and locative case are synonyms defined as:

locative and locative case: A case used to indicate place, or the place where, or wherein.

locative (noun)	locative case (noun)
the semantic role of the noun phrase that designates the place of the state or action denoted by the verb	A case used to indicate place, or the place where, or wherein.
A case used to indicate place, or the place where, or wherein.