Gum and Rubber cement

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

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

Rubber cement noun - An adhesive made by dissolving unvulcanized rubber in a solvent like benzene or naphtha.

Gum and rubber cement are semantically related in gluing topic. You can use "Gum" instead a noun phrase "Rubber cement".