Reveal is a different concept from Hide. Hide is related to Animal. Animal is related to Doll. Doll is related to Plastic. 
Dirt is a synonym of Shit. Shed is etymologically related to Shit. Shed is a synonym of Lose. 
Reveal <--DistinctFrom--> Hide <--RelatedTo--> Animal <--RelatedTo--> Doll <--RelatedTo--> Plastic 
Dirt <--Synonym--> Shit <--EtymologicallyRelatedTo-- Shed <--Synonym--> Lose 