indirect vs oblique

indirect is not a noun while oblique is a noun.

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

indirect (noun)	oblique (noun)
	a diagonally arranged abdominal muscle on either side of the torso
	any grammatical case other than the nominative

indirect (adjective)	oblique (adjective)
not direct in spatial dimension; not leading by a straight line or course to a destination	slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled
extended senses; not direct in manner or language or behavior or action	indirect in departing from the accepted or proper way; misleading
descended from a common ancestor but through different lines
having intervening factors or persons or influences
not as a direct effect or consequence