rheum vs weep

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. 

weep

noun
  • A session of crying. 

  • A sob. 

  • A lapwing; wipe, especially, a northern lapwing (Vanellus vanellus). 

verb
  • To produce secretions. 

  • To cry; to shed tears, especially when accompanied with sobbing or other difficulty speaking, as an expression of emotion such as sadness or joy. 

  • To give off moisture in small quantities, e.g. due to condensation. 

  • To lament; to complain. 

  • To hang the branches, as if in sorrow; to be pendent; to droop; said of a plant or its branches. 

  • To flow in drops; to run in drops. 

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