householder vs restaurateur

householder

noun

  • The owner of a house. 

  • (Hinduism) A layperson, lay devotee, gahapati, grihastha. 

  • The head of a household. 

restaurateur

noun

  • The owner of a restaurant. 

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