Century is related to Age. Age is related to Date. Add is etymologically related to Date. 
Body is related to Whole. Whole is related to Face. Face is related to Climb. Climb is related to Effort. 
Century <--RelatedTo--> Age <--RelatedTo--> Date <--EtymologicallyRelatedTo-- Add 
Body <--RelatedTo--> Whole <--RelatedTo--> Face <--RelatedTo--> Climb <--RelatedTo--> Effort 