Vaka is a Maori word that translates to "canoe" or "boat." There are various synonyms that can be used to describe the word vaka. One of the common synonyms is waka, which is also a Maori word and is used interchangeably with vaka. Another synonym for vaka is outrigger canoe, which refers to a type of canoe that has an attached support float on the side of the boat. Some other synonyms for vaka include boat, schooner, bark, craft, watercraft, and vessel. These words can be used to add variety to writing and conversation when referring to canoes or boats.