scleredema vs edema

scleredema and edema both are nouns.

Word	Noun	Adjective	Verb	Adverb
scleredema	Yes	No	No	No
edema	Yes	No	No	No

As nouns, edema is a hypernym of scleredema; that is, edema is a word with a broader meaning than scleredema:

scleredema: a skin disease marked by hard edema of the tissue usually beginning in the face
edema: swelling from excessive accumulation of watery fluid in cells, tissues, or serous cavities

Other hypernyms of scleredema include dropsy, hydrops, oedema.

scleredema (noun)	edema (noun)
a skin disease marked by hard edema of the tissue usually beginning in the face	swelling from excessive accumulation of watery fluid in cells, tissues, or serous cavities