objective vs oblique case

objective

noun
  • a noun or pronoun in the objective case. 

  • The lens or lenses of a camera, microscope, or other optical device closest to the object being examined. 

  • A material object that physically exists. 

  • The objective case. 

  • A goal that is striven for. 

adj
  • Of or relating to a material object, actual existence or reality. 

  • Of, or relating to verbal conjugation that indicates the object (patient) of an action. (In linguistic descriptions of Tundra Nenets, among others.) 

  • Not influenced by the emotions or prejudices. 

  • Based on observed facts; without subjective assessment. 

  • Of, or relating to a noun or pronoun used as the object of a verb. 

oblique case

noun
  • Any noun case except the nominative case (and sometimes the vocative case), where the noun is the object of a verb or the object of a preposition. 

How often have the words objective and oblique case occurred in a corpus of books? (source: Google Ngram Viewer )