plain vs sward

plain

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

  • A lamentation. 

adj
  • 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. 

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

  • 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. 

adv
  • Simply. 

sward

noun
  • An expanse of land covered in grass; a lawn or meadow. 

  • The rind of bacon or pork; also, the outer covering or skin of something. 

  • A homosexual man. 

  • Earth which grass has grown into the upper layer of; greensward, sod, turf; (countable) a portion of such earth. 

verb
  • Of ground, etc.: to be covered with sward; to develop a covering of sward. 

  • To cover (ground, etc.) with sward. 

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