erotic vs phallic

erotic

adj

  • Relating to or tending to arouse sexual desire or excitement. 

noun

  • An amorous composition or poem. 

phallic

adj

  • Relating to, or characteristic of the penis. 

  • Shaped like an erect human penis. 

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