group vs troop

group

noun
  • An air force formation. 

  • A column in the periodic table of chemical elements. 

  • An element of an espresso machine from which hot water pours into the portafilter. 

  • A (usually small) group of people who perform music together. 

  • A number of users with the same rights with respect to accession, modification, and execution of files, computers and peripherals. 

  • A number of things or persons being in some relation to one another. 

  • A subset of a culture or of a society. 

  • A functional group. 

  • A small number (up to about fifty) of galaxies that are near each other. 

  • A collection of formations or rock strata. 

  • A number of eighth, sixteenth, etc., notes joined at the stems; sometimes rather indefinitely applied to any ornament made up of a few short notes. 

  • A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse. 

  • A commercial organization. 

  • A set of teams playing each other in the same division, while not during the same period playing any teams that belong to other sets in the division. 

verb
  • To come together to form a group. 

  • To put together to form a group. 

troop

noun
  • A group of soldiers; military forces. 

  • Mushrooms that are in a close group but not close enough to be called a cluster. 

  • A group of meerkat families living together. 

  • A collection of people; a number; a multitude (in general). 

  • A company of actors; a troupe. 

  • A chapter of a national girl or boy scouts organization, consisting of one or more patrols of 6 to 8 youngsters each. 

  • A particular roll of the drum; a quick march. 

  • A group of baboons. 

  • A detachment of soldiers or police, especially horse artillery, armour, or state troopers. 

  • A small unit of cavalry or armour commanded by a captain, corresponding to a platoon or company of infantry. 

  • An individual soldier or member of a military force. 

verb
  • To march on; to go forward in haste. 

  • To move in numbers; to come or gather in crowds or troops. 

  • To move or march as if in a crowd. 

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