Violent is a synonym of Wild. Wild is related to Card. Card is related to Trick. Trick is related to Quote. 
Drug is etymologically related to Dry. Dry is related to Salt. Salt is related to Common. 
Violent <--Synonym--> Wild <--RelatedTo--> Card <--RelatedTo--> Trick <--RelatedTo--> Quote 
Drug --EtymologicallyRelatedTo--> Dry <--RelatedTo--> Salt <--RelatedTo--> Common 