plain vs public

plain

adj
  • Evident to one's senses or reason; manifest, clear, unmistakable. 

  • Downright; total, unmistakable (as intensifier). 

  • Clear; unencumbered; equal; fair. 

  • Not a trump. 

  • Containing no extended or nonprinting characters (especially in plain text). 

  • Not unusually beautiful; unattractive. 

  • Honest and without deception; candid, open; blunt. 

  • Simple in habits or qualities; unsophisticated, not exceptional, ordinary. 

  • Ordinary; lacking adornment or ornamentation; unembellished. 

  • Having only few ingredients, or no additional ingredients or seasonings; not elaborate, without toppings or extras. 

  • Of just one colour; lacking a pattern. 

noun
  • A lamentation. 

  • An expanse of land with relatively low relief, usually exclusive of forests, deserts, and wastelands. 

adv
  • Simply. 

public

adj
  • Able to be seen or known by everyone; open to general view, happening without concealment. 

  • Officially representing the community; carried out or funded by the state on behalf of the community. 

  • Traded publicly via a stock market. 

  • Open to all members of a community; especially, provided by national or local authorities and supported by money from taxes. 

  • Pertaining to the people as a whole (as opposed to a private group); concerning the whole country, community etc. 

  • Accessible to the program in general, not only to the class or any subclasses. 

noun
  • The people in general, regardless of membership of any particular group. 

  • A particular group or demographic to be targeted. 

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