Encounter is a synonym of Find. Find is a synonym of Think. Think is a synonym of Guess. 
Metal is related to Bit. Bit is the opposite of Lot. Lot is related to Toll. Toll is etymologically related to Tell. 
Encounter <--Synonym--> Find <--Synonym--> Think <--Synonym--> Guess 
Metal <--RelatedTo--> Bit <--Antonym--> Lot <--RelatedTo--> Toll --EtymologicallyRelatedTo--> Tell 