dermabrasion vs liposuction

dermabrasion

noun
  • A cosmetic medical procedure in which the surface of the epidermis of the skin is removed by abrasion, typically to remove scarring or sun-damaged skin. 

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 dermabrasion and liposuction occurred in a corpus of books? (source: Google Ngram Viewer )