allo vs amorous

allo

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

noun
  • One who is allosexual and/or alloromantic. 

amorous

adj
  • Inclined or having a propensity to love, or to sexual enjoyment. 

  • Indicating love or sexual desire. 

  • Of or relating to, or produced by, love. 

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