falsum
/ˈfɒlsəm/ or /ˈfɔːlsəm/Definitions
1. noun
a Latin term used in law and medicine to signify a false or spurious thing, especially a false or forged document or instrument.
“The judge ruled that the falsum presented in court was a clear forgery.”
2. adjective
false or spurious; forged or counterfeit.
“The falsum signature on the document raised suspicions of a scam.”