cosmetic surgery vs liposuction

cosmetic surgery

noun
  • Surgery (and related medical treatment) to improve appearance rather than for health reasons. 

liposuction

noun
  • A cosmetic surgery procedure in which excess fat is removed from a specific area by suction. 

verb
  • To remove by liposuction. 

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