myxoedema vs myxedema

myxoedema and myxedema both are nouns.

Word	Noun	Adjective	Verb	Adverb
myxoedema	Yes	No	No	No
myxedema	Yes	No	No	No

As nouns, myxoedema and myxedema are synonyms defined as:

myxoedema and myxedema: hypothyroidism marked by dry skin and swellings around lips and nose as well as mental deterioration

myxoedema (noun)	myxedema (noun)
hypothyroidism marked by dry skin and swellings around lips and nose as well as mental deterioration	hypothyroidism marked by dry skin and swellings around lips and nose as well as mental deterioration