Sum is a synonym of Essence. Essence is related to Oil. Oil is related to Controversy. Controversial is derived from Controversy. 
Habit is the opposite of Time. Time is related to Celebration. 
Sum <--Synonym--> Essence <--RelatedTo--> Oil <--RelatedTo--> Controversy <--DerivedFrom-- Controversial 
Habit <--Antonym--> Time <--RelatedTo--> Celebration 