Servant is related to People. People is related to Child. Child is a synonym of Minor. Minor is a different concept from Critical. 
Inventory is a synonym of Index. Index is a type of List. Gay is etymologically related to List. 
Servant <--RelatedTo--> People <--RelatedTo--> Child <--Synonym--> Minor <--DistinctFrom--> Critical 
Inventory <--Synonym--> Index --IsA--> List <--EtymologicallyRelatedTo-- Gay 