Strength is related to Steel. Steel is related to Man. Man is related to Engineer. Engineer is derived from Engine. 
Error is related to Wrong. Wrong is similar to Inside. Inside is related to Ear. Ear is part of Corn. 
Strength <--RelatedTo--> Steel <--RelatedTo--> Man <--RelatedTo--> Engineer --DerivedFrom--> Engine 
Error <--RelatedTo--> Wrong <--SimilarTo--> Inside <--RelatedTo--> Ear --PartOf--> Corn 