luxuriant vs prodigal

luxuriant

adj
  • Abundant in growth or detail. 

prodigal

adj
  • Profuse, lavishly abundant. 

  • Wastefully extravagant. 

  • Yielding profusely, lavish. 

  • Having (selfishly) abandoned a person, group, or ideal. 

  • Returning or having returned, especially repentantly, after such an abandonment. 

noun
  • A prodigal person; a spendthrift; a wastrel. 

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