hickey vs whitehead

hickey

noun
  • A bruise-like mark made during petting by pressing the mouth to the skin on one’s partner’s body and sucking. 

  • A serif or other ornamentation on type. 

  • A tool for making smooth, semicircular bends in conduit and pipe. 

  • A printing defect caused by foreign matter on the printing surface resulting in a ring where the ink is missing, appearing as a spot of ink surrounded by a halo, or as an unprinted spot within a solid printed area. 

  • Local swelling in a tissue area, especially skin, often due to injury. 

  • An object whose name is unknown or cannot be recalled. 

  • An unintended negative outcome or loss in regards to a deal or action. 

whitehead

noun
  • A pimple formed by a clogged sebaceous gland, usually with a milky-white cap. 

  • A species of passerine bird, endemic to New Zealand (Mohoua albicilla) 

  • The surf scoter duck. 

  • The blue-winged snow goose, Anser caerulescens caerulescens. 

  • A domestic pigeon of a particular breed; a white-tailed monk. 

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