axial vs immature

axial

noun
  • A flight feather that appears between the primaries and secondaries on some birds. 

  • A plane parallel to the surface of a tooth. 

adj
  • Belonging to the axis of the body, or to the axis of any appendage or organ 

  • Relating to, resembling, or situated on an axis 

  • In the same direction as the axis, parallel to the axis. 

  • oriented close to the axis running through the centre of a cyclohexane ring, as opposed to equatorial. See w:Axial bond. 

immature

noun
  • An immature member of a species. 

adj
  • Not fully formed or developed; not grown. 

  • Childish in behavior; juvenile. 

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