poppet vs sweetheart

poppet

noun
  • A young woman or girl. 

  • A doll (such as a voodoo doll) made in witchcraft to represent a person, used in casting spells on that person. 

  • One of certain upright timbers on the bilge ways, used to support a vessel in launching. 

  • The stem and valve head in a poppet valve. 

  • An endearingly sweet or beautiful child. 

  • An upright support or guide fastened at the bottom only. 

sweetheart

noun
  • A female member of a college or university fraternity. 

  • A person who is always very kind. 

  • A person very much liked or loved by someone, especially when both partners are young. 

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