indecent vs phallic

indecent

adj
  • Offensive to good taste. 

  • Generally unacceptable for public broadcasting but not legally obscene. 

  • Not in keeping with conventional moral values; improper, immodest, or unseemly. 

phallic

adj
  • Relating to, or characteristic of the penis. 

  • Shaped like an erect human penis. 

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