Assignor :: Assignor (n.) An assigner; a person who assigns or transfers an interest; as, the assignor of a debt or other chose in action..
Consignor :: Consignor (n.) One who consigns something to another; -- opposed to consignee.
Monsignore :: Monsignore (n.) My lord; -- an ecclesiastical dignity bestowed by the pope, entitling the bearer to social and domestic rank at the papal court. (Abbrev. Mgr.).