Amobarbital Sodium is a drug that belongs to the class of barbiturates which is mainly used for the treatment of sleep disorders. However, like other medications, there are different synonyms used to refer to it. Some of the commonly used synonyms for Amobarbital Sodium include Amytal, sodium amytal, and pentobarbital. These synonyms are mainly used in medical contexts and are interchangeably used to describe the same medication. It's important to note that Amobarbital Sodium should only be taken as prescribed by a certified physician due to its high potential for abuse and addiction. Consulting a healthcare professional is always important before starting or stopping any medication which contains this drug.