bootleg vs legal

bootleg

verb
  • To engage in bootlegging. 

  • To make, transport and/or sell an illegal version or copy of a copyrighted product. 

  • To make, transport and/or sell illegal alcoholic liquor. 

adj
  • Illegally produced, transported or sold; pirated. 

noun
  • The part of a boot that is above the instep. 

  • A remix or mashup that is a combination of two songs but that is not authorized and audited for copyright use; primarily in the electronic music scene. 

  • An unauthorized recording, e.g., of a live concert. 

  • A play in which the quarterback fakes a handoff, conceals the ball against his hip, and rolls out. 

  • An illegally produced, transported or sold product; contraband. 

legal

adj
  • Relating to the law or to lawyers. 

  • Having its basis in the law. 

  • Being allowed or prescribed by law. 

  • Above the age of consent or the legal drinking age. 

  • Following the rules or syntax of a system, such as a game or a programming language. 

  • (of paper or document layouts) Measuring 8½ in × 14 in (215.9 mm × 355.6 mm) (also legal-size). 

noun
  • Paper in sheets 8½ in × 14 in (215.9 mm × 355.6 mm). 

  • The legal department of a company. 

  • Somebody who immigrated lawfully. 

  • A spy who is attached to, and ostensibly employed by, an embassy, military outpost, etc. 

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