Science is related to Latin. Latin is similar to Greek. Greek is a type of Human. Human is related to Child. 
Currency is related to Note. Note is related to Do. Do is related to Race. 
Science <--RelatedTo--> Latin <--SimilarTo--> Greek --IsA--> Human <--RelatedTo--> Child 
Currency <--RelatedTo--> Note <--RelatedTo--> Do <--RelatedTo--> Race 