Holy is related to Marry. Divorce entails/necessarily involves Marry. Divorce is a synonym of Dissolve. 
Equality is the opposite of Difference. Differ is derived from Difference. Vary is a type of Differ. Vary is etymologically related to Various. 
Holy <--RelatedTo--> Marry <--Entails-- Divorce <--Synonym--> Dissolve 
Equality <--Antonym--> Difference <--DerivedFrom-- Differ <--IsA-- Vary --EtymologicallyRelatedTo--> Various 