struma vs goiter

struma and goiter both are nouns.

Word	Noun	Adjective	Verb	Adverb
struma	Yes	No	No	No
goiter	Yes	No	No	No

As nouns, struma and goiter are synonyms defined as:

struma and goiter: abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet

Other synonyms of struma include goitre, thyromegaly.

struma (noun)	goiter (noun)
abnormally enlarged thyroid gland; can result from underproduction or overproduction of hormone or from a deficiency of iodine in the diet	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