struma vs king's evil

struma and king's evil both are nouns.

Word	Noun	Adjective	Verb	Adverb
struma	Yes	No	No	No
king's evil	Yes	No	No	No

As nouns, struma and king's evil are synonyms defined as:

struma and king's evil: a form of tuberculosis characterized by swellings of the lymphatic glands

Other synonyms of struma include scrofula.

struma (noun)	king's evil (noun)
abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet	a form of tuberculosis characterized by swellings of the lymphatic glands
a form of tuberculosis characterized by swellings of the lymphatic glands