Areal Diffussion and Genetic Inheritance: Problems in Comparative Linguistics, Alexandra Y. Aĭkhenvalʹd, Robert Malcolm Ward Dixon, pp. 134, Oxford University Press, 2006, ISBN 9780199283088, ... The Oceanic language family forms a subgroup within the larger Austronesian family. The Austronesian family, with perhaps as many as 1,500 languages, embraces the large portion of the world ...