龕 （ガン） niche or alcove for an image, (in Okinawa) portable shrine used to move a deceased from their house to the graveyard

龕像 （ガンゾウ） Buddha figure carved into a rock, Buddha figure in a cabinet

起龕 （キガン） ceremonial removal of the coffin from the house (lay person) or temple (priest) (Zen Buddhism)

壁龕 （ヘキガン） niche (in Western architecture)