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http://en. wikipedia .org/wiki/Image:LanguageTree.jpg http://en. wikipedia .org/wiki/ Language _ family They also list many links at the bottom of the page

...belong to the Austroasiatic, Tibeto-Burman and a few minor language families and isolates. http://en. wikipedia .org/wiki/ Languages _of_India

... speak Arabic and Spaniards speak Romance languages . Despite being genetically close, they have very different cultures...

...six branches in the Afro-Asiatic languages . All of these branches probably had... (Semitic), people speak their language before. It's sometimes difficult to differentiate between...

...there is little relationship in the affixal system." See also : http://en. wikipedia .org/wiki/Aymara_ language #Wider_ language _ family

That's what the whole idea of a language family implies--they are not completely unrelated...think any have "classes" like other languages (although in English, count vs, non-count...

..., but some not. Wikipedia has quite good introduction about both families : Ataic languages : http://en. wikipedia .org/wiki/Altaic_ languages Uralic languages : http...

the simple answer is yes... for the complex answer - read a book on linguistics such as In Search of the Indo-Europeans: Language , Archaeology, and Myth ~ J. P. Mallory