The term 'tragic end' can be described by the crossword solutions of 'DOOM', 'DEMISE', and 'sadfate'. DOOM is a noun meaning an inevitable and unavoidable destiny, while DEMISE is a noun meaning the end of something, usually referring to death. Sadfate is a combination of two words, 'SAD' and 'FATE', which together refer to an unfortunate or unhappy outcome. All three words are used to describe a tragic end, which is a sorrowful or disastrous conclusion.