Gum acacia and Gum

Gum acacia noun - Gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals).

Gum and gum acacia are semantically related. In some cases you can use "Gum" instead a noun phrase "Gum acacia".

Gum noun - Any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying.

Gum acacia and gum are semantically related. Sometimes you can replace phrase "Gum acacia" with "Gum", this terms are similar.