Combined is derived from Combination. Combination is a synonym of Blend. 
Big is related to Shade. Shade is related to Relief. Relief is related to Disaster. Disaster is related to Ruin. 
Combined --DerivedFrom--> Combination <--Synonym--> Blend 
Big <--RelatedTo--> Shade <--RelatedTo--> Relief <--RelatedTo--> Disaster <--RelatedTo--> Ruin 