Expense is related to Financial. Financial is related to Pay. Pay is related to Credit. Credit is related to Merit. 
Resign is a synonym of Quit. Quit is a synonym of Abandon. Abandon is a synonym of Desert. 
Expense <--RelatedTo--> Financial <--RelatedTo--> Pay <--RelatedTo--> Credit <--RelatedTo--> Merit 
Resign <--Synonym--> Quit <--Synonym--> Abandon <--Synonym--> Desert 