Aromatic gum is a type of gum made from natural resins and oils. The four crossword solutions for the term 'aromatic gum' are MYRRH (5 letters), FRANKINCENSE (12 letters), INCENSE (7 letters), and MASTIC (6 letters). MYRRH is a resin obtained from a tree native to Africa and the Middle East, while FRANKINCENSE is a resin obtained from trees in the genus Boswellia. INCENSE is a fragrant material that is burned for its aroma, and MASTIC is a resin obtained from the MASTIC tree, which is native to the Mediterranean region. All of these substances are used to make aromatic gum.