Power is a synonym of Arm. Arm is part of Body. Butt is part of Body. 
Course is related to Division. Division is related to Month. Month is the opposite of Week. Week is a synonym of Weekly. 
Power <--Synonym--> Arm --PartOf--> Body <--PartOf-- Butt 
Course <--RelatedTo--> Division <--RelatedTo--> Month <--Antonym--> Week <--Synonym--> Weekly 