Fatigue is the opposite of Energy. Energy is related to Light. Light is related to Flash. Flash is related to Phenomenon. 
Divine is the opposite of Secular. Secular is the opposite of Music. Music is related to Cultural. 
Fatigue <--Antonym--> Energy <--RelatedTo--> Light <--RelatedTo--> Flash <--RelatedTo--> Phenomenon 
Divine <--Antonym--> Secular <--Antonym--> Music <--RelatedTo--> Cultural 