Jill vs cove

Jill

noun
  • A jillstrap: the female counterpart to a jockstrap. 

  • A young woman; a sweetheart; like the variant spelling Gill it was also associated with various assertive uses of the term flirt, as in flirtgigg (used by William Shakespeare for a 'woman of light or loose behavior'). 

name
  • Generic use for any female (as Sheila in Australian English), especially paired (since the 15th c., compare Ienken and Iulyan) with the male Jack. 

  • A female given name from Latin. 

cove

noun
  • A concave vault or archway, especially the arch of a ceiling. 

  • A thin line, sometimes gilded, along a yacht's strake below deck level. 

  • A recess or sheltered area on the slopes of a mountain. 

  • A hollow in a rock; a cave or cavern. 

  • The wooden roof of the stern gallery of an old sailing warship. 

  • A strip of prairie extending into woodland. 

  • A small coastal inlet, especially one having high cliffs protecting vessels from prevailing winds. 

  • A friend; a mate. 

verb
  • To arch over; to build in a hollow concave form; to make in the form of a cove. 

  • To brood, cover, or sit over, as birds their eggs. 

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