Gum and Olibanum

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

Olibanum and gum are semantically related. In some cases you can replace term "Olibanum" with "Gum", this nouns are similar.

Olibanum noun - An aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation.

Gum and olibanum are semantically related. You can use "Gum" instead a noun "Olibanum".