Elderberry and Elderberry bush

Elderberry noun - A common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies.

Elderberry bush and elderberry are semantically related. In some cases you can use "Elderberry bush" instead a noun "Elderberry".

Elderberry bush noun - Any of numerous shrubs or small trees of temperate and subtropical northern hemisphere having white flowers and berrylike fruit.

Elderberry and elderberry bush are semantically related. Sometimes you can replace term "Elderberry" with "Elderberry bush", this terms are similar.