Shrink is the opposite of Growth. Growth is related to Plant. 
Bill is related to Bird. Bird is related to Resident. Resident is a type of Doctor. Doctor is related to Physician. 
Shrink <--Antonym--> Growth <--RelatedTo--> Plant 
Bill <--RelatedTo--> Bird <--RelatedTo--> Resident --IsA--> Doctor <--RelatedTo--> Physician 