Revelation is derived from Reveal. Reveal is related to Show. Show is related to Introduce. 
Communication is related to Phone. Phone is a synonym of Ring. Ring is related to Engagement. Engagement is related to Diamond. 
Revelation --DerivedFrom--> Reveal <--RelatedTo--> Show <--RelatedTo--> Introduce 
Communication <--RelatedTo--> Phone <--Synonym--> Ring <--RelatedTo--> Engagement <--RelatedTo--> Diamond 