Linguists are interested in several types of relationships between languages. Typically such languages share many words, have similar sound systems, and have many grammatical features in common. Sometimes languages that are not genetically related also exhibit similar grammatical patterns. Linguists are interested in these non-genetically inherited features because they may indicate how human language is structured at a deeper level. The study of these features is called language typology.
Some universals have to do with word order.
N Post Japanese, Korean, Turkish and many other languages are OV languages. Universals of language. When the adjective follows the noun, the adjective expresses all the inflectional categories of the noun. In such cases the noun may lack overt expression of one or all of these categories. If in a language the verb follows both the nominal subject and nominal object as the dominant order, the language almost always has a case system.