Hunt is etymologically related to Hint. Hunt is related to Chase. Chase is a synonym of Pursuit. Pursuit is a type of Search. 
Index is a type of Determine. Determine is a synonym of Specify. 
Hint <--EtymologicallyRelatedTo-- Hunt <--RelatedTo--> Chase <--Synonym--> Pursuit --IsA--> Search 
Index --IsA--> Determine <--Synonym--> Specify 