Olympic is related to Swim. Swim is related to Suit. Suit is related to Coat. Coat is related to Second. 
Reveal is a synonym of Bare. Bare is the opposite of Cover. 
Olympic <--RelatedTo--> Swim <--RelatedTo--> Suit <--RelatedTo--> Coat <--RelatedTo--> Second 
Reveal <--Synonym--> Bare <--Antonym--> Cover 