Wilderness is derived from Wild. Wild is the opposite of Pet. Pet is related to Fish. Fish is related to Marine. 
Abortion is a type of Operation. Access is a type of Operation. Access is a type of Approach. 
Wilderness --DerivedFrom--> Wild <--Antonym--> Pet <--RelatedTo--> Fish <--RelatedTo--> Marine 
Abortion --IsA--> Operation <--IsA-- Access --IsA--> Approach 