Tax is related to Reduction. Reduction is the opposite of Growth. Growth is the opposite of Shrink. Shrink is related to Psychologist. 
Capture is a synonym of Get. Get is related to Understand. Understand is etymologically related to Stand. 
Tax <--RelatedTo--> Reduction <--Antonym--> Growth <--Antonym--> Shrink <--RelatedTo--> Psychologist 
Capture <--Synonym--> Get <--RelatedTo--> Understand --EtymologicallyRelatedTo--> Stand 