Taste is related to Drink. Divorce would make you want to Drink. Divorce is related to Affair. Affair is related to Encounter. 
Tighten is etymologically related to Tight. Tight is a synonym of Nasty. Nasty is a synonym of Mean. Mean is the opposite of Care. 
Taste <--RelatedTo--> Drink <--CausesDesire-- Divorce <--RelatedTo--> Affair <--RelatedTo--> Encounter 
Tighten --EtymologicallyRelatedTo--> Tight <--Synonym--> Nasty <--Synonym--> Mean <--Antonym--> Care 