goitre vs thyrotoxicosis

goitre

noun
  • An enlargement of the front and sides of the neck caused by inflammation of the thyroid gland. 

thyrotoxicosis

noun
  • The medical condition caused by the state of raised levels of thyroid hormone. 

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