pyre vs funeral pyre

pyre and funeral pyre both are nouns.

Word	Noun	Adjective	Verb	Adverb
pyre	Yes	No	No	No
funeral pyre	Yes	No	No	No

As nouns, pyre and funeral pyre are synonyms defined as:

pyre and funeral pyre: wood heaped for burning a dead body as a funeral rite

pyre (noun)	funeral pyre (noun)
wood heaped for burning a dead body as a funeral rite	wood heaped for burning a dead body as a funeral rite