Replacement is derived from Replace. Replace is related to Move. Move is related to Crawl. Crawl is a type of Feel. 
Plain is a type of Land. Plain is related to Aircraft. 
Replacement --DerivedFrom--> Replace <--RelatedTo--> Move <--RelatedTo--> Crawl --IsA--> Feel 
Land <--IsA-- Plain <--RelatedTo--> Aircraft 