Bathroom is related to Shower. Shower is related to Condition. Condition is related to Diagnose. 
Old is related to Grandfather. Grandfather is the opposite of Grandmother. Grandmother is derived from Mother. Mother is related to Egg. 
Bathroom <--RelatedTo--> Shower <--RelatedTo--> Condition <--RelatedTo--> Diagnose 
Old <--RelatedTo--> Grandfather <--Antonym--> Grandmother --DerivedFrom--> Mother <--RelatedTo--> Egg 