Finger is related to Long. Long is related to Old. Old is related to Hay. Hay is related to Dry. 
Enemy is related to Fighting. Fighting is a synonym of Fight. 
Finger <--RelatedTo--> Long <--RelatedTo--> Old <--RelatedTo--> Hay <--RelatedTo--> Dry 
Enemy <--RelatedTo--> Fighting <--Synonym--> Fight 