There are several synonyms for the term "false swearing", which is the act of making a false statement under oath. One synonym is perjury, which refers specifically to lying under oath in a court of law. Another synonym is lying under oath, which is self-explanatory. Other related synonyms include giving false testimony, bearing false witness, and making false declarations. These terms all refer to the act of intentionally providing false information while under oath, and they are all illegal. The consequences for false swearing can range from fines to imprisonment, depending on the severity of the offense.