Blackcap and Raspberry bush

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

Raspberry bush and blackcap are semantically related. In some cases you can use "Raspberry bush" instead a noun "Blackcap".

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.

Blackcap and raspberry bush are semantically related. Sometimes you can replace term "Blackcap" with "Raspberry bush", this terms are similar.