peliosis vs purpura

peliosis and purpura both are nouns.

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

As nouns, peliosis and purpura are synonyms defined as:

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

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