Marwedd, n. a deadness
Marweiddiad, n. a deadening
Marweiddio, v. to deaden, to benumb
Marweiddiol, a. deadening
Marwerydd, n. delirium, distraction
Marwgoel, n. a death omen
Marwgwsg, n. legarthy; a dormouse
Marwhaint, n. a mortal disease
Marwhun, n. death sleep, trance
Marwlanw, n. turn of a tide, high water