Like is related to Twist. Twist is the opposite of Flat. Flat is related to Leaf. Leaf is related to Grass. 
Secret is a synonym of Dark. Dark is related to Oil. 
Like <--RelatedTo--> Twist <--Antonym--> Flat <--RelatedTo--> Leaf <--RelatedTo--> Grass 
Secret <--Synonym--> Dark <--RelatedTo--> Oil 