Specialize is derived from Special. Special is similar to Extraordinary. Extraordinary is related to Extra. 
Cabin is related to Home. you are likely to find Security in/at/on Home. Security is a synonym of Fence. 
Specialize --DerivedFrom--> Special <--SimilarTo--> Extraordinary <--RelatedTo--> Extra 
Cabin <--RelatedTo--> Home <--AtLocation-- Security <--Synonym--> Fence 