marriageable vs yiffy

marriageable

adj
  • Suitable for marriage; nubile. 

noun
  • One who is suitable for marriage. 

yiffy

adj
  • Of or pertaining to yiff (sexual intercourse among furries). 

  • Sexually aroused 

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