allo vs erotic

allo

adj
  • Allosexual and/or alloromantic; experiencing sexual and/or romantic attraction. 

noun
  • One who is allosexual and/or alloromantic. 

erotic

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

noun
  • An amorous composition or poem. 

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