Car is related to Stop. Stop is a synonym of Block. 
Thigh is related to Neck. Neck is related to Arm. Arm is a synonym of Limb. Limb is part of Bow. 
Car <--RelatedTo--> Stop <--Synonym--> Block 
Thigh <--RelatedTo--> Neck <--RelatedTo--> Arm <--Synonym--> Limb --PartOf--> Bow 