Regulate is a synonym of Govern. Govern is a type of Control. Floor is a type of Control. Floor is a different concept from Ceiling. 
Smell is related to Human. Human is related to Fellow. Fellow is related to Kind. 
Regulate <--Synonym--> Govern --IsA--> Control <--IsA-- Floor <--DistinctFrom--> Ceiling 
Smell <--RelatedTo--> Human <--RelatedTo--> Fellow <--RelatedTo--> Kind 