scleredema vs oedema

scleredema and oedema both are nouns.

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

As nouns, oedema is a hypernym of scleredema; that is, oedema 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
oedema: swelling from excessive accumulation of watery fluid in cells, tissues, or serous cavities

Other hypernyms of scleredema include dropsy, edema, hydrops.

scleredema (noun)	oedema (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