坍 坍 tan1
to collapse

strokes 7
radical
土
土
strokes after radical 4
崩坍 崩坍 beng1 tan1
landslide; collapse (of mountain side); talus slide

倒坍 倒坍 dao3 tan1
to collapse (of building)

坍方 坍方 tan1 fang1
to collapse; landslide

坍塌 坍塌 tan1 ta1
to collapse