persistent vegetative state vs supineness

persistent vegetative state

noun
  • A condition of patients with severe brain damage in whom coma has progressed to a state of wakefulness without awareness. 

supineness

noun
  • The state of being supine. 

  • Total submissiveness; flat on one's back, lacking any backbone; with total abandon; prostrate; supine 

How often have the words persistent vegetative state and supineness occurred in a corpus of books? (source: Google Ngram Viewer )