main vs secondary

main

noun
  • That which is chief or principal; the chief or main portion; the bulk, the greater part, gross. 

  • The primary character that one plays in a video game in which one can play more than one character. 

  • The high seas. 

  • A large cable or pipe providing utility service to an area or a building, such as a water main or electric main. 

  • A banker's shovel for coins. 

verb
  • To mainly play a specific character or side, or with specific equipment, during a game. 

adj
  • Of chief or leading importance; prime, principal. 

  • Big; angry. 

  • Chief, most important, or principal in extent, size, or strength; consisting of the largest part. 

  • Belonging to or connected with the principal mast in a vessel. 

adv
  • Exceedingly, extremely, greatly, mightily, very, very much. 

secondary

noun
  • One who occupies a subordinate or auxiliary place; a delegate deputy. 

  • A radar return generated by the response of an aircraft's transponder to an interrogation signal broadcast by a radar installation, containing additional encoded identification and situational data not available from a simple primary return. 

  • The defensive backs. 

  • An inductive coil or loop that is magnetically powered by a primary in a transformer or similar. 

  • Any flight feather attached to the ulna (forearm) of a bird. 

  • A satellite. 

  • An act of issuing more stock by an already publicly traded corporation. 

  • The second stage of a multistage thermonuclear weapon, which generates a fusion explosion when imploded as an indirect result of the fission explosion of the primary, and which, in a few extremely large weapons, itself implodes a fusion tertiary. 

  • A secondary circle. 

  • A secondary school. 

  • Anything secondary or of lesser importance. 

adj
  • Produced by alteration or deposition subsequent to the formation of the original rock mass. 

  • Derived from a parent compound by replacement of two atoms of hydrogen by organic radicals 

  • Developed by pressure or other causes. 

  • Dependent or consequent upon another disease, or occurring in the second stage of a disease. 

  • Related to secondary education, i.e. schooling between the ages of (approximately) 11 and 18. 

  • Of less than primary importance. 

  • Originating from a deputy or delegated person or body 

  • Representing a reversion to an ancestral state. 

  • Formed by mixing primary colors. 

  • Next in order to the first or primary; of second place in origin, rank, etc. 

  • Pertaining to the second joint of the wing of a bird. 

  • Relating to the manufacture of goods from raw materials. 

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