Length is related to Time. Time can be Absolute. Absolute is similar to Living. Living is related to Chair. 
Royal is etymologically related to Real. Real is similar to Documentary. 
Length <--RelatedTo--> Time --HasProperty--> Absolute <--SimilarTo--> Living <--RelatedTo--> Chair 
Royal --EtymologicallyRelatedTo--> Real <--SimilarTo--> Documentary 