Kauri copal is a fossilized resin found in New Zealand's kauri trees. It has been a popular material for jewelry-making and other crafts due to its beautiful color, translucency, and durability. However, if you're looking for synonyms for kauri copal, you may want to consider "amber," "dammar," and "rosin." Amber is a fossilized resin found in other parts of the world and can be used as a substitute for kauri copal. Dammar, on the other hand, is a resin extracted from trees in Southeast Asia and is often used in varnishes for painting. Rosin is a type of resin produced by pine trees and has applications in music, as it is used to enhance the grip of strings on musical instruments like violins.