Blanket is related to Warm. Warm is related to Stretch. Stretch is related to Extended. 
Drift is etymologically related to Drive. Drift is a synonym of Roll. 
Blanket <--RelatedTo--> Warm <--RelatedTo--> Stretch <--RelatedTo--> Extended 
Drive <--EtymologicallyRelatedTo-- Drift <--Synonym--> Roll 