count vs number

count

verb
  • To amount to, to number in total. 

  • To reckon in, to include in consideration. 

  • To be an example of something: often followed by as and an indefinite noun. 

  • To be of significance; to matter. 

  • To consider something as an example of something or as having some quality; to account, to regard as. 

  • To recite numbers in sequence. 

  • To determine the number of (objects in a group). 

adj
  • Countable. 

noun
  • The act of counting or tallying a quantity. 

  • A charge of misconduct brought in a legal proceeding. 

  • The male ruler of a county. 

  • A nobleman holding a rank intermediate between dukes and barons. 

  • A countdown. 

  • Any of various nymphalid butterflies of the genus Tanaecia. Other butterflies in this genus are called earls and viscounts. 

  • The result of a tally that reveals the number of items in a set; a quantity counted. 

  • The number of balls and strikes, respectively, on a batter's in-progress plate appearance. 

number

verb
  • To total or count; to amount to. 

  • To label (items) with numbers; to assign numbers to (items). 

noun
  • A sequence of digits and letters used to register people, automobiles, and various other items. 

  • Of a word or phrase, the state of being singular, dual or plural, shown by inflection. 

  • An item of clothing, particularly a stylish one. 

  • An element of one of several sets: natural numbers, integers, rational numbers, real numbers, complex numbers, and sometimes extensions such as hypercomplex numbers, etc. 

  • A marijuana cigarette, or joint; also, a quantity of marijuana bought from a dealer. 

  • Indicating the position of something in a list or sequence. Abbreviations: No or No., no or no. (in each case, sometimes written with a superscript "o", like Nº or №). The symbol "#" is also used in this manner. 

  • Quantity. 

  • A person. 

  • A large amount of damage 

  • A large amount, in contrast to a smaller amount; numerical preponderance. 

  • A telephone number. 

  • An abstract entity used to describe quantity. 

  • A performance; especially, a single song or song and dance routine within a larger show. 

  • A numeral: a symbol for a non-negative integer. 

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