Cause is a synonym of Source. Source is related to Seed. Seed is related to Capability. 
Specialist is derived from Specialize. Specialize is a type of Modify. Qualify is a type of Modify. 
Cause <--Synonym--> Source <--RelatedTo--> Seed <--RelatedTo--> Capability 
Specialist --DerivedFrom--> Specialize --IsA--> Modify <--IsA-- Qualify 