Lose is the opposite of Discover. Discover is a synonym of Find. Find is a synonym of Rule. Rule is related to Absolute. 
Nurse is a type of Treat. Treat is related to Pie. 
Lose <--Antonym--> Discover <--Synonym--> Find <--Synonym--> Rule <--RelatedTo--> Absolute 
Nurse --IsA--> Treat <--RelatedTo--> Pie 