household deity vs lar

household deity

noun
  • A minor tutelary deity watching over a household, usually conceived as a protective ancestral spirit or genius loci. 

  • An icon or patron saint: a revered individual within a group. 

lar

noun
  • The lar gibbon. 

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