Revelation is derived from Reveal. Reveal is a synonym of Disclose. Disclose is the opposite of Hide. Hide is a different concept from See. 
Govern is a synonym of Ruling. Ruling is a synonym of Opinion. Guess is a type of Opinion. 
Revelation --DerivedFrom--> Reveal <--Synonym--> Disclose <--Antonym--> Hide <--DistinctFrom--> See 
Govern <--Synonym--> Ruling <--Synonym--> Opinion <--IsA-- Guess 