Spit requires Leave. Spit is the opposite of Drink. Drink is related to Drive. 
Collector is derived from Collect. Collect is similar to Due. Due is related to Money. Money is related to Welfare. 
Leave <--HasPrerequisite-- Spit <--Antonym--> Drink <--RelatedTo--> Drive 
Collector --DerivedFrom--> Collect <--SimilarTo--> Due <--RelatedTo--> Money <--RelatedTo--> Welfare 