Fantasy is related to Realm. Realm is a synonym of Sphere. Sphere is a synonym of Field. 
Engage is a synonym of Wage. Wage is related to Employee. Employee is related to Guard. Guard is a different concept from Tackle. 
Fantasy <--RelatedTo--> Realm <--Synonym--> Sphere <--Synonym--> Field 
Engage <--Synonym--> Wage <--RelatedTo--> Employee <--RelatedTo--> Guard <--DistinctFrom--> Tackle 