Roman is a synonym of Latin. Latin is a type of Person. Commander is a type of Person. Commander is related to Master. 
Mandate is etymologically related to Command. Command is related to Copy. Copy is related to Version. Version is a type of Turn. 
Roman <--Synonym--> Latin --IsA--> Person <--IsA-- Commander <--RelatedTo--> Master 
Mandate --EtymologicallyRelatedTo--> Command <--RelatedTo--> Copy <--RelatedTo--> Version --IsA--> Turn 