to collapse; to crumble; to fall apart

talus slide; to crumble (of scree slope); to collapse; landslide

to collapse; to crash down; to fall down in a heap

landslide; collapse (of mountain side); talus slide

crash; breakdown (of social values etc); burst; to crumble; to collapse

avalanche

(coll.) to shoot dead

(of an emperor) to pass away

tabun (loanword)

landslide; landslip