5 languages in Cook Islands Niue [alias Niuean, "Niuefekai",] Penrhyn [alias Tongareva, Mangarongaro, Penrhynese] Pukapuka [alias Bukabukan, Pukapukan,] Rakahanga-Manihiki [alias Manihiki-Rakahanga,] Southern Cook Islands Māori [alias Māori, Kuki Airani, Te Reo Māori o te ...]