shingles vs zoster

shingles

noun
  • Herpes zoster, caused by Human herpes virus 3, in genus Varicellovirus. 

zoster

noun
  • The disease called herpes zoster (from the typically beltlike pattern of its rash); shingles. 

  • An ancient Greek waist-belt for men. 

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