Loose is the opposite of Firm. Firm is similar to Steady. Steady is similar to Secure. Secure is related to Bank. 
Royal is related to Class. Class is a synonym of People. People is related to Clothes. Clothes can be Purple. 
Loose <--Antonym--> Firm <--SimilarTo--> Steady <--SimilarTo--> Secure <--RelatedTo--> Bank 
Royal <--RelatedTo--> Class <--Synonym--> People <--RelatedTo--> Clothes --HasProperty--> Purple 