contamination vs manure

contamination

noun
  • The process of making a material or surface unclean or unsuited for its intended purpose, usually by the addition or attachment of undesirable foreign substances. 

  • A process whereby words with related meanings come to have similar sounds. 

  • The influence of one form (often from a foreign language) on the historical development of another form to which it may be related in meaning. 

  • The act or process of contaminating 

  • Something which contaminates. 

manure

noun
  • Any fertilizing substance, whether of animal origin or not; fertiliser. 

  • Animal excrement, especially that of common domestic farm animals and when used as fertilizer. Generally speaking, from cows, horses, sheep, pigs and chickens. 

  • Rubbish; nonsense; bullshit. 

verb
  • To cultivate by manual labor; to till; hence, to develop by culture. 

  • To apply manure (as fertilizer or soil improver). 

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