Shift is a synonym of Fault. Fault is related to Reason. Reason is related to Rational. 
Heart is a synonym of Center. Center is related to Egg. Egg is related to Object. Object is related to Structure. 
Shift <--Synonym--> Fault <--RelatedTo--> Reason <--RelatedTo--> Rational 
Heart <--Synonym--> Center <--RelatedTo--> Egg <--RelatedTo--> Object <--RelatedTo--> Structure 