folk medicine vs home remedy

folk medicine

noun
  • A particular medicinal remedy used in such traditional medical practices. 

  • Traditional medical practices developed and used by non-physicians, typically involving customary homespun techniques and medicinal remedies derived from native plants. 

home remedy

noun
  • A remedy, often of an unscientific medicinal nature, made or devised in one's own home. 

How often have the words folk medicine and home remedy occurred in a corpus of books? (source: Google Ngram Viewer )