follow vs train

follow

verb
  • To go or come after in a sequence. 

  • To walk in, as a road or course; to attend upon closely, as a profession or calling. 

  • To understand, to pay attention to. 

  • To subscribe to see content from an account on a social media platform. 

  • To live one's life according to (religion, teachings, etc). 

  • To carry out (orders, instructions, etc.). 

  • To be a logical consequence of something. 

  • To watch, to keep track of (reports of) some event or person. 

  • To go after; to pursue; to move behind in the same path or direction, especially with the intent of catching. 

noun
  • In billiards and similar games, a stroke causing a ball to follow another ball after hitting it. 

  • The act of following another user's online activity. 

train

verb
  • To proceed in sequence. 

  • To encourage (a plant or branch) to grow in a particular direction or shape, usually by pruning and bending. 

  • To improve one's fitness. 

  • To create a trainer for; to apply cheats to (a game). 

  • To teach and form (someone) by practice; to educate (someone). 

  • To move (a gun) laterally so that it points in a different direction. 

  • To practice an ability. 

  • To trace (a lode or any mineral appearance) to its head. 

noun
  • A long, heavy sleigh used in Canada for the transportation of merchandise, wood, etc. 

  • A set of interconnected mechanical parts which operate each other in sequence. 

  • A transient trail of glowing ions behind a large meteor as it falls through the atmosphere or accompanying a comet as it nears the sun; tail. 

  • A group of people following an important figure such as a king or noble; a retinue, a group of retainers. 

  • A group or class of people. 

  • A sequence of events or ideas which are interconnected; a course or procedure of something. 

  • A trail or line of something, especially gunpowder. 

  • A series of specified vehicles (originally tramcars in a mine as usual, later especially railway carriages) coupled together. 

  • The tail of a bird. 

  • A mechanical (traditionally steam-powered, now typically diesel or electrical) vehicle carrying a large number of passengers and freight along a designated track or path; a line of connected cars or carriages considered overall as a mode of transport; (as uncountable noun) rail or road travel. 

  • The elongated body or form of something narrow and winding, such as the course of a river or the body of a snake. 

  • The men and vehicles following an army, which carry artillery and other equipment for battle or siege. 

  • An act wherein series of men line up and then penetrate a person, especially as a form of gang rape. 

  • A set of things, events, or circumstances that follow after or as a consequence; aftermath, wake. 

  • A series of electrical pulses. 

  • The elongated back portion of a dress or skirt (or an ornamental piece of material added to similar effect), which drags along the ground. 

  • A group of animals, vehicles, or people that follow one another in a line, such as a wagon train; a caravan or procession. 

  • A software release schedule. 

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