cabbage butterfly vs pierid

cabbage butterfly and pierid both are nouns.

Word	Noun	Adjective	Verb	Adverb
cabbage butterfly	Yes	No	No	No
pierid	Yes	No	No	No

As nouns, pierid is a hypernym of cabbage butterfly; that is, pierid is a word with a broader meaning than cabbage butterfly:

cabbage butterfly: white butterfly whose larvae (cabbageworms) feed on cabbage
pierid: any of numerous pale-colored butterflies having three pairs of well-developed legs

Other hypernyms of cabbage butterfly include pierid butterfly.

cabbage butterfly (noun)	pierid (noun)
white butterfly whose larvae (cabbageworms) feed on cabbage	any of numerous pale-colored butterflies having three pairs of well-developed legs