chief vs least

chief

adj
  • Primary; principal. 

  • Intimate, friendly. 

verb
  • To smoke cannabis. 

noun
  • A leader or head of a group of people, organisation, etc. 

  • An informal term of address. 

  • The principal part or top of anything. 

  • An informal term of address for a Native American or First Nations man. 

  • The top part of a shield or escutcheon; more specifically, an ordinary consisting of the upper part of the field cut off by a horizontal line, generally occupying the top third. 

least

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 

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. 

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