Comedies are funny, tragedies are sadIn tragedies, things for the protagonist go from bad to worse from the end. In comedy, everything ends up well at the ending.
basically the only difference is the ending. a comedy will have a happy ending i.e. wedding, whereas a tragedy will have a sad ending usually the death of the main character. either one can have...
A tragedy ends in the death of several if not all of the characters while a comedy ends in a wedding or celebration of some sort yet most comedies are not actually funny.