rheum vs squall

rheum

noun
  • Tears. 

  • Watery or thin discharge of serum or mucus, especially from the eyes or nose, formerly thought to cause disease. 

  • Illness or disease thought to be caused by such secretions; a catarrh, a cold; rheumatism. 

squall

noun
  • A loud cry or wail. 

  • A sudden storm, as found in a squall line. 

  • A squall line, multicell line, or part of a squall line. 

verb
  • To cry or wail loudly. 

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