Eye is the opposite of Blind. Blind is related to Illness. Shock is a type of Illness. Surprising can be used for Shock. 
Water is related to Tear. Tear is a type of Separate. Separate is related to Divide. Divide is a synonym of Share. 
Eye <--Antonym--> Blind <--RelatedTo--> Illness <--IsA-- Shock <--UsedFor-- Surprising 
Water <--RelatedTo--> Tear --IsA--> Separate <--RelatedTo--> Divide <--Synonym--> Share 