Ridge is related to Average. Average is a synonym of Rank. Rank is a synonym of Complete. 
Alley can be used for Walk. Alley is the opposite of Street. you are likely to find Bike in/at/on Street. Bike is a type of Bicycle. 
Ridge <--RelatedTo--> Average <--Synonym--> Rank <--Synonym--> Complete 
Walk <--UsedFor-- Alley <--Antonym--> Street <--AtLocation-- Bike --IsA--> Bicycle 