purpura vs peliosis

purpura and peliosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
purpura	Yes	No	No	No
peliosis	Yes	No	No	No

As nouns, purpura and peliosis are synonyms defined as:

purpura and peliosis: any of several blood diseases causing subcutaneous bleeding

purpura (noun)	peliosis (noun)
any of several blood diseases causing subcutaneous bleeding	any of several blood diseases causing subcutaneous bleeding