Black raspberry and Raspberry bush

Black raspberry noun - Raspberry native to eastern North America having black thimble-shaped fruit.

Raspberry bush and black raspberry are semantically related. In some cases you can use "Raspberry bush" instead a noun phrase "Black raspberry".

Raspberry bush noun - Woody brambles bearing usually red but sometimes black or yellow fruits that separate from the receptacle when ripe and are rounder and smaller than blackberries.

Black raspberry and raspberry bush are semantically related. Sometimes you can replace phrase "Black raspberry" with "Raspberry bush", this phrases are similar.