least vs main

least

adv
  • Used for forming superlatives of adjectives, especially those that do not form the superlative by adding -est. 

  • In the smallest or lowest degree; in a degree below all others. 

noun
  • Something of the smallest possible extent; an indivisible unit. 

det
  • The most little; the smallest amount or quantity of something. 

prep
  • At least. 

  • What a stupid white privileged POS I am! Least I call myself out. 

  • 2019 December, Justin Blackburn, The Bisexual Christian Suburban Failure Enlightening Bipolar Blues, page 79 

main

noun
  • That which is chief or principal; the chief or main portion; the bulk, the greater part, gross. 

  • The primary character that one plays in a video game in which one can play more than one character. 

  • The high seas. 

  • A large cable or pipe providing utility service to an area or a building, such as a water main or electric main. 

  • A banker's shovel for coins. 

adv
  • Exceedingly, extremely, greatly, mightily, very, very much. 

verb
  • To mainly play a specific character or side, or with specific equipment, during a game. 

adj
  • Of chief or leading importance; prime, principal. 

  • Big; angry. 

  • Chief, most important, or principal in extent, size, or strength; consisting of the largest part. 

  • Belonging to or connected with the principal mast in a vessel. 

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