Boil is related to Tea. Tea is the opposite of Coffee. 
Path is related to Route. Route can be used for Planning. Planning is a type of Design. Design is a type of Intend. 
Boil <--RelatedTo--> Tea <--Antonym--> Coffee 
Path <--RelatedTo--> Route --UsedFor--> Planning --IsA--> Design --IsA--> Intend 