Regulation is related to Law. Law is related to Constitution. Constitution is related to Document. Document is related to Pass. 
Suit is etymologically related to Suite. Suit is related to Card. Card is related to Written. 
Regulation <--RelatedTo--> Law <--RelatedTo--> Constitution <--RelatedTo--> Document <--RelatedTo--> Pass 
Suite <--EtymologicallyRelatedTo-- Suit <--RelatedTo--> Card <--RelatedTo--> Written 