Pride is etymologically related to Proud. Pride is related to Self. 
Value is related to Bill. Duck have Bill. Duck is related to Fly. Aircraft can be used for Fly. 
Proud <--EtymologicallyRelatedTo-- Pride <--RelatedTo--> Self 
Value <--RelatedTo--> Bill <--HasA-- Duck <--RelatedTo--> Fly <--UsedFor-- Aircraft 