EMBERS is a term used to describe the remains of a fire, usually consisting of glowing red coals and ASHES. It is the final stage of a fire, when the flames have died down and the heat has been reduced. The term EMBERS can be broken down into two crossword solutions: ASHES (5 letters) and COALS (5 letters). ASHES are the residue left after a fire has burned, while coals are the solid fuel that is used to start a fire.