Doll is the opposite of Truck. Truck is related to Car. 
Gasoline is related to Shell. Shell is a synonym of Beat. Butt is etymologically related to Beat. Butt is a synonym of Border. 
Doll <--Antonym--> Truck <--RelatedTo--> Car 
Gasoline <--RelatedTo--> Shell <--Synonym--> Beat <--EtymologicallyRelatedTo-- Butt <--Synonym--> Border 