The term TAR PRODUCT refers to a group of four hydrocarbon compounds, namely ANILINE (7 letters), Retene (6 letters), Naphtha (7 letters) and Xylol (5 letters). ANILINE is an aromatic amine derived from coal tar, Retene is a bicyclic terpene found in coniferous tree resins, Naphtha is a petroleum distillate used as a solvent and Xylol is a colorless liquid hydrocarbon. All four compounds are used in various industrial applications such as paints, varnishes, and fuel additives.