march vs troop

march

verb
  • To cause someone to walk somewhere. 

  • To have common borders or frontiers 

  • To make steady progress. 

  • To walk with long, regular strides, as a soldier does. 

  • To go to war; to make military advances. 

noun
  • A region at a frontier governed by a marquess. 

  • Any of various territories with similar meanings or etymologies in their native languages. 

  • Steady forward movement or progression. 

  • A formal, rhythmic way of walking, used especially by soldiers, bands and in ceremonies. 

  • A political rally or parade 

  • Any song in the genre of music written for marching (see Wikipedia's article on this type of music) 

  • The feat of taking all the tricks of a hand. 

troop

verb
  • To move or march as if in a crowd. 

  • To march on; to go forward in haste. 

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

noun
  • 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 group of soldiers; military forces. 

  • 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. 

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