pomegranate vs Punica

pomegranate and Punica both are nouns.

Word	Noun	Adjective	Verb	Adverb
pomegranate	Yes	No	No	No
Punica	Yes	No	No	No

pomegranate (noun)	Punica (noun)
large globular fruit having many seeds with juicy red pulp in a tough brownish-red rind	coextensive with the family Punicaceae
shrub or small tree native to southwestern Asia having large red many-seeded fruit