nubile vs wifeable

nubile

adj
  • Of an age suitable for marriage; marriageable (principally of a young woman). 

  • Sexually attractive (especially of a young woman). 

noun
  • A young sexually attractive woman. 

wifeable

adj
  • nubile, worthy of being taken as a wife 

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