Bear is etymologically related to Brown. Bear is related to Salmon. Salmon is a type of Food. 
Pure is similar to Fine. Fine is related to Surface. Surface is related to Slope. 
Brown <--EtymologicallyRelatedTo-- Bear <--RelatedTo--> Salmon --IsA--> Food 
Pure <--SimilarTo--> Fine <--RelatedTo--> Surface <--RelatedTo--> Slope 