Dammar and Rosin

Dammar noun - Any of various hard resins from trees of the family Dipterocarpaceae and of the genus Agathis; especially the amboyna pine.

Rosin and dammar are semantically related. In some cases you can use "Rosin" instead a noun "Dammar".

Rosin noun - Any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules.

Dammar and rosin are semantically related. You can use "Dammar" instead a noun "Rosin".