advisable vs marriageable

advisable

adj
  • Worthy of being recommended; desirable. 

  • Capable of being advised or willing to be advised. 

marriageable

adj
  • Suitable for marriage; nubile. 

noun
  • One who is suitable for marriage. 

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