leader vs train

leader

noun
  • an animal placed in advance of others, especially on a team of horse, oxen, or dogs 

  • The path taken by electrons from a cloud to ground level, determining the shape of a bolt of lightning. 

  • One who leads a political party or group of elected party members; sometimes used in titles. 

  • One having authority to direct. 

  • A performer who leads a band, choir, or a section of an orchestra. 

  • The dominant animal in a pack of animals, such as wolves or lions. 

  • Either of the two front horses of a team of four in front of a carriage. 

  • A person or organization that leads in a certain field in terms of excellence, success, etc. 

  • A loss leader or a popular product sold at a normal price. 

  • The first violin in a symphony orchestra; the concertmaster. 

  • A branch or small vein, not important in itself, but indicating the proximity of a better one. 

  • A type having a dot or short row of dots upon its face. 

  • A fast-growing terminal shoot of a woody plant. 

  • Any person who leads or directs. 

  • The drive wheel in any kind of machinery. 

  • Someone or something that leads or conducts. 

  • One who goes first. 

  • A pipe for conducting rain water from a roof to a cistern or to the ground. 

  • A net for leading fish into a pound, weir, etc. 

  • The first, or the principal, editorial article in a newspaper; a leading or main editorial article; a lead story. 

  • A section of line between the main fishing line and the snell of a hook, intended to be more resistant to bites and harder for a fish to detect than the main fishing line. 

  • A piece of material at the beginning or end of a reel or roll to allow the material to be threaded or fed onto something, as a reel of film onto a projector or a roll of paper onto a rotary printing press. 

  • A block of hard wood pierced with suitable holes for leading ropes in their proper places. 

  • A row of dots, periods, or hyphens, used in tables of contents, etc., to lead the eye across a space to the right word or number. 

train

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

  • 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 software release schedule. 

verb
  • 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 proceed in sequence. 

  • 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. 

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