Pause is a type of Interrupt. Interrupt is the opposite of Resume. Resume is related to Interview. 
Free is the opposite of Costly. Costly is related to War. War is related to Bad. 
Pause --IsA--> Interrupt <--Antonym--> Resume <--RelatedTo--> Interview 
Free <--Antonym--> Costly <--RelatedTo--> War <--RelatedTo--> Bad 