analeptic vs roborative

analeptic

adj
  • That restores or stimulates health. 

  • Of or relating to analepsis (a form of flashback). 

noun
  • A restorative or stimulative medication, especially one used to overcome depression. 

roborative

adj
  • Giving strength; invigorating. 

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