Base is related to Diamond. Diamond is related to Coal. Coal is related to Smoke. Smoke is the opposite of Clear. 
Isolation is related to Alone. Alone is related to Home. Home is related to Refuge. 
Base <--RelatedTo--> Diamond <--RelatedTo--> Coal <--RelatedTo--> Smoke <--Antonym--> Clear 
Isolation <--RelatedTo--> Alone <--RelatedTo--> Home <--RelatedTo--> Refuge 