lady-in-waiting vs triple goddess

lady-in-waiting

noun
  • A lady, often a noblewoman, in the household of a queen, princess, or other woman of higher rank who attends her as a personal assistant, generally a role considered an honour. 

triple goddess

noun
  • A female triune deity, either one goddess with three distinct aspects/manifestations, or three goddesses who form a unit. 

How often have the words lady-in-waiting and triple goddess occurred in a corpus of books? (source: Google Ngram Viewer )