Way is a type of Category. Way is related to Side. Side is related to Nature. Nature is related to River. 
Discover is a synonym of Disclose. Blow is a type of Disclose. Blow is etymologically related to Blue. Blue is related to Depressed. 
Category <--IsA-- Way <--RelatedTo--> Side <--RelatedTo--> Nature <--RelatedTo--> River 
Discover <--Synonym--> Disclose <--IsA-- Blow --EtymologicallyRelatedTo--> Blue <--RelatedTo--> Depressed 