Reduce is related to Ecological. Ecological is related to Green. Green is related to Course. Course is related to Race. 
Loyalty is related to Friend. Companion is a type of Friend. Companion is a synonym of Fellow. Fellow is related to Gentleman. 
Reduce <--RelatedTo--> Ecological <--RelatedTo--> Green <--RelatedTo--> Course <--RelatedTo--> Race 
Loyalty <--RelatedTo--> Friend <--IsA-- Companion <--Synonym--> Fellow <--RelatedTo--> Gentleman 