enterovirus vs picornavirus

enterovirus and picornavirus both are nouns.

Word	Noun	Adjective	Verb	Adverb
enterovirus	Yes	No	No	No
picornavirus	Yes	No	No	No

As nouns, picornavirus is a hypernym of enterovirus; that is, picornavirus is a word with a broader meaning than enterovirus:

enterovirus: any of a group of picornaviruses that infect the gastrointestinal tract and can spread to other areas (especially the nervous system)
picornavirus: a group of single-strand RNA viruses with a protein coat

enterovirus (noun)	picornavirus (noun)
any of a group of picornaviruses that infect the gastrointestinal tract and can spread to other areas (especially the nervous system)	a group of single-strand RNA viruses with a protein coat