11. As a polysynthetic language , Blackfoot features object incorporation. 12. Working within generative grammar, he wrote several important books about the formal analysis of polysynthetic languages . 13. Traditional Tiwi, spoken by people over the age of fifty by 2005, is a polysynthetic language . 14. Many Amerindian languages are polysynthetic; indeed, most of the world's polysynthetic languages are native to North America. 15. On the other hand, they are generally easier to distinguish from non-polysynthetic languages than affixally polysynthetic languages . 16. On the other hand, they are generally easier to distinguish from non-polysynthetic languages than affixally polysynthetic languages. 17. This is typical of a polysynthetic language . 18. Incorporation is central to many polysynthetic languages such as those found in North America, Siberia and northern Australia. 19. Venture�o is, like its sister Chumashan languages, a polysynthetic language , having larger words composed of a number of morphemes. 20. Polysynthetic languages , such as glossed.