oblique vs locative

oblique and locative both are nouns.

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

As nouns, locative is a hyponym of oblique; that is, locative is a word with a more specific, narrower meaning than oblique:

oblique (noun)	locative (noun)
a diagonally arranged abdominal muscle on either side of the torso	the semantic role of the noun phrase that designates the place of the state or action denoted by the verb
any grammatical case other than the nominative	A case used to indicate place, or the place where, or wherein.

oblique (adjective)	locative (adjective)
slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled
indirect in departing from the accepted or proper way; misleading