Maker is related to Cloud. Cloud is related to Could. Could is related to Capable. 
Drill is a synonym of Root. Root is the opposite of Pole. Pole is a type of European. 
Maker <--RelatedTo--> Cloud <--RelatedTo--> Could <--RelatedTo--> Capable 
Drill <--Synonym--> Root <--Antonym--> Pole --IsA--> European 