Main is related to Part. Part is related to Dress. 
Monthly is related to Budget. Budget is related to Economy. Economy is a synonym of Saving. Saving is a different concept from Waste. 
Main <--RelatedTo--> Part <--RelatedTo--> Dress 
Monthly <--RelatedTo--> Budget <--RelatedTo--> Economy <--Synonym--> Saving <--DistinctFrom--> Waste 