sensualism vs sexual orientation

sensualism

noun
  • Addiction to or obsession with sensual pleasures or affairs. 

  • The doctrine that all knowledge not only originates in sensation, but are transformed sensations, copies or relics of sensations; sensationalism. 

  • A sensual style or aesthetic. 

  • The doctrine that gratification of the senses is the highest good. 

sexual orientation

noun
  • One's tendencies of sexual attraction, considered as a whole. 

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