Raw is related to Wood. Wood is related to Matter. Matter can be Solid. Solid is related to Ground. 
Heavy is related to Weigh. Weigh is related to Measurement. 
Raw <--RelatedTo--> Wood <--RelatedTo--> Matter --HasProperty--> Solid <--RelatedTo--> Ground 
Heavy <--RelatedTo--> Weigh <--RelatedTo--> Measurement 