blood cup vs Peziza coccinea

blood cup and Peziza coccinea both are nouns.

Word	Noun	Adjective	Verb	Adverb
blood cup	Yes	No	No	No
Peziza coccinea	Yes	No	No	No

As nouns, blood cup and Peziza coccinea are synonyms defined as:

blood cup and Peziza coccinea: a scarlet European fungus with cup-shaped ascocarp

Other synonyms of blood cup include fairy cup.

blood cup (noun)	Peziza coccinea (noun)
a scarlet European fungus with cup-shaped ascocarp	a scarlet European fungus with cup-shaped ascocarp