Tiny is a synonym of Slight. Slight is the opposite of Significant. Significant is related to Mate. Mate is a synonym of Teammate. 
Iron is a type of Element. Element is related to Smoke. 
Tiny <--Synonym--> Slight <--Antonym--> Significant <--RelatedTo--> Mate <--Synonym--> Teammate 
Iron --IsA--> Element <--RelatedTo--> Smoke 