 The language spoken on Nukapu is Pileni, a member of the Polynesian language family.Pileni is also spoken on the islands of Pileni, Nupani, Nifiloli, Aua and Matema Island of the Reef Islands, as well as in the Taumako Islands (also known as the Duff Islands), some 200 miles to the east.Speakers are thought to be descendants of people from Tuvalu.