scleroderma vs morphea

scleroderma and morphea both are nouns.

Word	Noun	Adjective	Verb	Adverb
scleroderma	Yes	No	No	No
morphea	Yes	No	No	No

As nouns, morphea is a hyponym of scleroderma; that is, morphea is a word with a more specific, narrower meaning than scleroderma:

scleroderma: an autoimmune disease that affects the blood vessels and connective tissue; fibrous connective tissue is deposited in the skin
morphea: localized scleroderma

scleroderma (noun)	morphea (noun)
an autoimmune disease that affects the blood vessels and connective tissue; fibrous connective tissue is deposited in the skin	localized scleroderma