be happy vs pine

be happy

pine

verb
  • To inflict pain upon; to torment. 

  • To long, to yearn so much that it causes suffering. 

  • To grieve or mourn for. 

  • To languish; to lose flesh or wear away through distress. 

noun
  • The wood of this tree. 

  • Any tree (usually coniferous) which resembles a member of this genus in some respect. 

  • Any coniferous tree of the genus Pinus. 

  • A pineapple. 

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