Receive is a type of Convert. Receive is a synonym of Find. Find is a synonym of Regain. 
Worried is derived from Worry. Worry is related to Danger. Danger is related to Sudden. 
Convert <--IsA-- Receive <--Synonym--> Find <--Synonym--> Regain 
Worried --DerivedFrom--> Worry <--RelatedTo--> Danger <--RelatedTo--> Sudden 