rag on vs vamper

rag on

verb

  • To ridicule, to make fun of (someone). 

vamper

verb

  • To swagger; to make an ostentatious show. 

noun

  • One who vamps; one who creates or repairs by piecing old things together; a cobbler. 

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