Raspberry and Raspberry bush

Raspberry 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.

Raspberry bush is a synonym for raspberry. In some cases you can use "Raspberry bush" instead a noun "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.

Raspberry is a synonym for raspberry bush. You can use "Raspberry" instead a noun phrase "Raspberry bush".