Myriagram is a metric unit of mass that equals to 10,000 grams. It is commonly used in scientific and industrial settings to measure large amounts of substances. However, there are several synonyms for this word that are less commonly used. These include deciton, a unit of ten tons; kilogram, a unit of one thousand grams; hectogram, a unit of one hundred grams; and megagram, a unit of one million grams. While these terms are less common, they represent alternative ways to measure large quantities of mass. It is important to be aware of these synonyms in order to communicate effectively in scientific and technical fields.