grape vs bullace grape

grape and bullace grape both are nouns.

Word	Noun	Adjective	Verb	Adverb
grape	Yes	No	No	No
bullace grape	Yes	No	No	No

As nouns, bullace grape is a hyponym of grape; that is, bullace grape is a word with a more specific, narrower meaning than grape:

grape: any of various juicy fruit of the genus Vitis with green or purple skins; grow in clusters
bullace grape: dull-purple grape of southern United States

Other hyponyms of grape include muscadine, slipskin grape, vinifera grape.

grape (noun)	bullace grape (noun)
a cluster of small projectiles fired together from a cannon to produce a hail of shot	dull-purple grape of southern United States
any of various juicy fruit of the genus Vitis with green or purple skins; grow in clusters
any of numerous woody vines of genus Vitis bearing clusters of edible berries