bug vs upset

bug

verb
  • To act suspiciously or irrationally, especially in a way that annoys others. 

  • To install an electronic listening device or devices in. 

  • To annoy. 

noun
  • A problem that needs fixing. 

  • A manually positioned marker in flight instruments. 

  • HIV. 

  • A metal clip attached to the underside of a table, etc. to hold hidden cards, as a form of cheating. 

  • A limited form of wild card in some variants of poker. 

  • An asterisk denoting an apprentice jockey's weight allowance. 

  • Any insect, arachnid, myriapod or entognath. 

  • A young apprentice jockey. 

  • A keen enthusiast or hobbyist. 

  • A concealed electronic eavesdropping or intercept device. 

  • A trilobite. 

  • A semi-automated telegraph key. 

  • An enthusiasm for something; an obsession. 

  • Any insect, arachnid, or other terrestrial arthropod that is a pest. 

  • Synonym of union bug. 

  • Any of various species of marine or freshwater crustaceans; e.g. a Moreton Bay bug, mudbug. 

  • A contagious illness, or a pathogen causing it. 

  • A small and usually invisible file (traditionally a single-pixel image) on a World Wide Web page, primarily used to track users. 

  • A small, usually transparent or translucent image placed in a corner of a television program to identify the broadcasting network or cable channel. 

  • A small piece of metal used in a slot machine to block certain winning combinations. 

  • An insect of the order Hemiptera (the “true bugs”). 

upset

verb
  • To make (a person) angry, distressed, or unhappy. 

  • To be upset or knocked over. 

  • To shorten (a tire) in the process of resetting, originally by cutting it and hammering on the ends. 

  • To tip or overturn (something). 

  • To defeat unexpectedly. 

  • To thicken and shorten, as a heated piece of iron, by hammering on the end. 

  • To disturb, disrupt or adversely alter (something). 

adj
  • Angry, distressed, or unhappy. 

  • Feeling unwell, nauseated, or ready to vomit. 

noun
  • An upper set; a subset (X,≤) of a partially ordered set with the property that, if x is in U and x≤y, then y is in U. 

  • The dangerous situation where the flight attitude or airspeed of an aircraft is outside the designed bounds of operation, possibly resulting in loss of control. 

  • An unexpected victory of a competitor or candidate that was not favored to win. 

  • An overturn. 

  • Disturbance or disruption. 

  • An upset stomach. 

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