gum dammar vs damar

gum dammar and damar both are nouns.

Word	Noun	Adjective	Verb	Adverb
gum dammar	Yes	No	No	No
damar	Yes	No	No	No

As nouns, gum dammar and damar are synonyms defined as:

gum dammar and damar: any of various hard resins from trees of the family Dipterocarpaceae and of the genus Agathis; especially the amboyna pine

Other synonyms of gum dammar include dammar, dammar resin.

gum dammar (noun)	damar (noun)
any of various hard resins from trees of the family Dipterocarpaceae and of the genus Agathis; especially the amboyna pine	any of various hard resins from trees of the family Dipterocarpaceae and of the genus Agathis; especially the amboyna pine