popcorn vs Zea mays everta

popcorn and Zea mays everta both are nouns.

Word	Noun	Adjective	Verb	Adverb
popcorn	Yes	No	No	No
Zea mays everta	Yes	No	No	No

As nouns, popcorn and Zea mays everta are synonyms defined as:

popcorn and Zea mays everta: corn having small ears and kernels that burst when exposed to dry heat

popcorn (noun)	Zea mays everta (noun)
small kernels of corn exploded by heat	corn having small ears and kernels that burst when exposed to dry heat
corn having small ears and kernels that burst when exposed to dry heat