A collection of languages that share a common origin but have since evolved into individual languages is
A language family is a collection of languages related through a common ancestral language existing before recorded history. ... New Englanders use a different dialect of English than other Americans primarily because their ancestors came from different regions of England.
The Northern European plain and lowlands of West Siberian Plains have a lot of differences in terms of their characteristics. The only similarity between the two would be the vast complex land that both of these lands have.
