add vs fix

add

verb
  • To sum up; to put together mentally; to add up. 

  • To append (e.g. a statement); to say further information; to add on. 

  • To summon minions or reinforcements. 

  • To combine elements of (something) into one quantity. 

  • To give by way of increased possession (to someone); to bestow (on). 

  • To make an addition; to augment; to increase; to add on. 

  • To join or unite (e.g. one thing to another, or as several particulars) so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate. 

  • To perform the arithmetical operation of addition. 

noun
  • The addition of a song to a station's playlist. 

  • An act or instance of adding. 

  • An additional enemy that joins a fight after the primary target. 

fix

verb
  • To focus or determine (oneself, on a concept); to fixate. 

  • To make (a contest, vote, or gamble) unfair; to privilege one contestant or a particular group of contestants, usually before the contest begins; to arrange immunity for defendants by tampering with the justice system via bribery or extortion. 

  • To attach; to affix; to hold in place or at a particular time. 

  • To surgically render an animal, especially a pet, infertile. 

  • To render (a photographic impression) permanent by treating with such applications as will make it insensitive to the action of light. 

  • To become fixed; to settle or remain permanently; to cease from wandering; to rest. 

  • To take revenge on, to best; to serve justice on an assumed miscreant. 

  • To convert into a stable or available form. 

  • To become firm, so as to resist volatilization; to cease to flow or be fluid; to congeal; to become hard and malleable, as a metallic substance. 

  • To prevent enemy pawns from advancing by directly opposing the most advanced one with one of one's own pawns so as to threaten to capture any advancing backward pawns. 

  • To mend, to repair. 

  • To prepare (food or drink). 

  • To map a (point or subset) to itself. 

noun
  • fettlings (mixture used to line a furnace) 

  • A prearrangement of the outcome of a supposedly competitive process, such as a sporting event, a game, an election, a trial, or a bid. 

  • A repair or corrective action. 

  • A determination of location. 

  • A difficult situation; a quandary or dilemma; a predicament. 

  • A single dose of an addictive drug administered to a drug user. 

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