Pigg :: Pigg (n.) A piggin. See 1st Pig.
Piggery :: Piggery (n.) A place where swine are kept.
Piggin :: Piggin (n.) A small wooden pail or tub with an upright stave for a handle, -- often used as a dipper..
Piggish :: Piggish (a.) Relating to, or like, a pig; greedy..