Money is related to Bill. Bill is related to Monthly. Monthly is related to Due. 
Liquid is related to Mass. Mass is related to Meeting. Meeting is related to Join. Join is a synonym of Compound. 
Money <--RelatedTo--> Bill <--RelatedTo--> Monthly <--RelatedTo--> Due 
Liquid <--RelatedTo--> Mass <--RelatedTo--> Meeting <--RelatedTo--> Join <--Synonym--> Compound 