Cord is a synonym of Thick. Thick is related to Shoe. Shoe is etymologically related to Sky. 
Voice can be Loud. Voice is the opposite of Fact. Fact is a different concept from Lie. Guilt would make you want to Lie. 
Cord <--Synonym--> Thick <--RelatedTo--> Shoe --EtymologicallyRelatedTo--> Sky 
Loud <--HasProperty-- Voice <--Antonym--> Fact <--DistinctFrom--> Lie <--CausesDesire-- Guilt 