In some middle-eastern countries , Marjoram is synonymous with Oregano , and there the names Sweet Marjoram and Knotted Marjoram are used to distinguish it from other plants .
In some middle-eastern countries , Marjoram is synonymous with Oregano , and there the names Sweet Marjoram and Knotted Marjoram are used to distinguish it from other plants of the genus Origanum .