Historical is related to Ruin. Ruin is related to Destroy. Destroy is related to Violent. Violent is related to Attack. 
Initial is a synonym of Opening. Opening is related to Gate. Gate is related to Wood. 
Historical <--RelatedTo--> Ruin <--RelatedTo--> Destroy <--RelatedTo--> Violent <--RelatedTo--> Attack 
Initial <--Synonym--> Opening <--RelatedTo--> Gate <--RelatedTo--> Wood 