lament vs wormwood

lament

noun
  • An expression of grief, suffering, sadness or regret. 

  • A song expressing grief. 

verb
  • To express grief; to weep or wail; to mourn. 

  • To feel great sorrow or regret; to bewail. 

wormwood

noun
  • Something that causes bitterness or affliction; a cause of mortification or vexation. 

  • An intensely bitter herb (Artemisia absinthium and similar plants in genus Artemisia) used in medicine, in the production of absinthe and vermouth, and as a tonic. 

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