Mass is related to Weigh. Weigh is related to Assess. 
Take is the opposite of Pass. Pass is a synonym of Head. Head is related to Department. Department is a synonym of Specialty. 
Mass <--RelatedTo--> Weigh <--RelatedTo--> Assess 
Take <--Antonym--> Pass <--Synonym--> Head <--RelatedTo--> Department <--Synonym--> Specialty 