Willing is related to Ready. 
Scientist is etymologically related to Artist. Scientist is related to Specialist. Specialist is derived from Specialize. Specialize is a type of Change. 
Willing <--RelatedTo--> Ready 
Artist <--EtymologicallyRelatedTo-- Scientist <--RelatedTo--> Specialist --DerivedFrom--> Specialize --IsA--> Change 