change vs conversion

change

noun
  • The process of becoming different. 

  • A change-up pitch. 

  • An amount of cash, usually in the form of coins, but sometimes inclusive of paper money. 

  • Small denominations of money given in exchange for a larger denomination. 

  • Balance of money returned from the sum paid after deducting the price of a purchase. 

  • A transfer between vehicles. 

  • Any order in which a number of bells are struck, other than that of the diatonic scale. 

  • A replacement. 

verb
  • To replace one's clothing. 

  • To replace the clothing of (the one wearing it). 

  • To change hand while riding (a horse). 

  • To transfer to another vehicle (train, bus, etc.) 

  • To become something different. 

  • To make something into something else. 

  • To replace. 

conversion

noun
  • The act of converting something or someone. 

  • Under the common law, the tort of the taking of someone's personal property with intent to permanently deprive them of it, or damaging property to the extent that the owner is deprived of the utility of that property, thus making the tortfeasor liable for the entire value of the property. 

  • A free kick, after scoring a try, worth two points. 

  • An extra point (or two) scored by kicking a field goal or carrying the ball into the end zone after scoring a touchdown. 

  • A chemical reaction wherein a substrate is transformed into a product. 

  • The process whereby a new word is created without changing the form, often by allowing the word to function as a new part of speech. 

  • A change or reduction of the form or value of a proposition. 

  • A software product converted from one platform to another. 

  • An online advertising performance metric representing a visitor performing whatever the intended result of an ad is defined to be. 

  • The act of interchanging the terms of a proposition, as by putting the subject in the place of the predicate, or vice versa. 

  • Changing a miniature figure into another character, usually by mixing different parts, or molding the model's parts, or doing both. 

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