The Central Maluku languages are a proposed subgroup of the Central–Eastern Malayo-Polynesian branch of the Austronesian language family which comprises around fifty languages spoken principally on the Seram, Buru, Ambon, Kei, and the Sula Islands. None of the languages have as many as fifty thousand speakers, and several are extinct.
The Nunusaku languages are a group of Malayo-Polynesian languages, spoken on and around the island of Seram. None of the languages have more than about twenty thousand speakers, and several are endangered with extinction.