Ring can be used for Engage. Ring is related to Metal. Metal is related to Coin. Coin is related to Hard. 
Render is a synonym of Depict. Depict is a synonym of Give. Give is related to Explain. 
Engage <--UsedFor-- Ring <--RelatedTo--> Metal <--RelatedTo--> Coin <--RelatedTo--> Hard 
Render <--Synonym--> Depict <--Synonym--> Give <--RelatedTo--> Explain 