season vs span

season

verb
  • To become mature; to grow fit for use; to become adapted to a climate. 

  • To mingle: to moderate, temper, or qualify by admixture. 

  • To flavour food with spices, herbs or salt. 

  • To become dry and hard, by the escape of the natural juices, or by being penetrated with other substance. 

  • To habituate, accustom, or inure (someone or something) to a particular use, purpose, or circumstance. 

  • To prepare by drying or hardening, or removal of natural juices. 

noun
  • A fixed period of time in a massively multiplayer online game in which new content (themes, rules, modes, etc.) becomes available, sometimes replacing earlier content. 

  • A period of the year in which a place is most busy or frequented for business, amusement, etc. 

  • A part of a year when something particular happens. 

  • Each of the four divisions of a year: spring, summer, autumn (fall) and winter 

  • A group of episodes of a television or radio program broadcast in regular intervals with a long break between each group, usually with one year between the beginning of each. 

  • The period over which a series of Test matches are played. 

  • The full set of downloadable content for a game, which can be purchased with a season pass. 

span

verb
  • To extend through (a time period). 

  • To extend through the distance between or across. 

  • To measure by the span of the hand with the fingers extended, or with the fingers encompassing the object. 

  • To generate an entire space by means of linear combinations. 

  • To fetter, as a horse; to hobble. 

noun
  • The space of all linear combinations of something. 

  • A portion of something by length; a subsequence. 

  • A small space or a brief portion of time. 

  • The spread or extent of an arch or between its abutments, or of a beam, girder, truss, roof, bridge, or the like, between supports. 

  • The time required to execute a parallel algorithm on an infinite number of processors, i.e. the shortest distance across a directed acyclic graph representing the computation steps. 

  • wingspan of a plane or bird 

  • The length of a cable, wire, rope, chain between two consecutive supports. 

  • Any of various traditional units of length approximating this distance, especially the English handspan of 9 inches forming ⅛ fathom and equivalent to 22.86 cm. 

  • A pair of horses or other animals driven together; usually, such a pair of horses when similar in color, form, and action. 

  • A rope having its ends made fast so that a purchase can be hooked to the bight; also, a rope made fast in the center so that both ends can be used. 

  • The full width of an open hand from the end of the thumb to the end of the little finger used as an informal unit of length. 

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