The term 'burns up' can be broken down into six crossword solutions: Cremates (8 letters), KEN (3 letters), Ires (4 letters), RILES (5 letters), ANGERS (6 letters), and Incinerates (11 letters). Cremation is the process of burning a body to reduce it to ashes, and is often used as an alternative to burial. KEN is a male given name, derived from the Old English name Cen. Ires is an archaic word meaning 'ANGER' or 'WRATH'. RILES means to make someone angry or annoyed. ANGERS is another word for ANGER or rage. Finally, incineration is the process of burning something completely to ash.