axial vs hub

axial

noun
  • A plane parallel to the surface of a tooth. 

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

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. 

hub

noun
  • A rough protuberance or projecting obstruction. 

  • A point where many routes meet and traffic is distributed, dispensed, or diverted. 

  • A goal or mark at which quoits, etc., are thrown. 

  • A computer networking device connecting several Ethernet ports. See switch. 

  • The central part, usually cylindrical, of a wheel; the nave. 

  • A central facility providing a range of related services, such as a medical hub or an educational hub. 

  • A stake with a nail in it, used to mark a temporary point. 

  • A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc. 

  • A screw hob. 

  • A block for scotching a wheel. 

  • An area in a video game from which individual levels are accessed. 

  • A male weasel; a buck; a dog; a jack. 

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