piranha vs vulture

piranha and vulture both are nouns.

Word	Noun	Adjective	Verb	Adverb
piranha	Yes	No	No	No
vulture	Yes	No	No	No

As nouns, piranha and vulture are synonyms defined as:

Other synonyms of piranha include marauder, predator.

piranha (noun)	vulture (noun)
small voraciously carnivorous freshwater fishes of South America that attack and destroy living animals	any of various large diurnal birds of prey having naked heads and weak claws and feeding chiefly on carrion
someone who attacks in search of booty	someone who attacks in search of booty