Ankle is related to Heel. Heel is the opposite of Face. Face is related to Cliff. Cliff is a synonym of Drop. 
Friend is related to Loyalty. Loyalty is related to Trait. 
Ankle <--RelatedTo--> Heel <--Antonym--> Face <--RelatedTo--> Cliff <--Synonym--> Drop 
Friend <--RelatedTo--> Loyalty <--RelatedTo--> Trait 