level vs train

level

verb
  • To adjust or adapt to a certain level. 

  • To direct or impose (a penalty, fine, etc) at or upon (someone). 

  • To make the score of a game equal. 

  • To bring to a common level or plane, in respect of rank, condition, character, privilege, etc. 

  • To speak honestly and openly with. 

  • To adjust so as to make as flat or perpendicular to the ground as possible. 

  • To progress to the next level. 

  • To aim or direct (a weapon, a stare, an accusation, etc). 

  • To destroy by reducing to ground level; to raze. 

adj
  • In the same position or rank. 

  • Perpendicular to a gravitational force. 

  • Unvaried in volume. 

  • Of even tone; without rising or falling inflection; monotonic. 

  • Unvaried in frequency. 

  • Well balanced; even; just; steady; impartial. 

  • The same height at all places; parallel to a flat ground. 

  • Calm. 

  • At the same height as some reference; constructed as level with. 

  • Straightforward; direct; clear. 

noun
  • A floor of a multi-storey building. 

  • A school grade or year. 

  • Distance from the root node of a tree structure. 

  • Degree or amount. 

  • A numeric value that quantifies a character, ability, or item's experience and power. 

  • An area of almost perfectly flat land. 

  • One of the specific values which may be taken by a categorical variable. 

  • Achievement or qualification. 

  • A distance relative to a given reference elevation. 

  • A tool for finding whether a surface is level, or for creating a horizontal or vertical line of reference. 

  • One of several discrete segments of a game, generally increasing in difficulty and representing different locations in the game world. 

train

verb
  • To practice an ability. 

  • 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 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 level and train occurred in a corpus of books? (source: Google Ngram Viewer )