水甕[mizugame] water jug
甕わ[mikawa] large earthenware pot (for brewing sake)
酒甕[sakagame] sake jug
甕菜[yousai] swamp morning glory (Ipomoea aquatica)

龍甕[ryuuga] imperial carriage
甕棺[kamekan] burial urn (often two-storey)
厨子甕[zushigame] decorated pottery container for storing the bones of one's ancestors (Okinawa)