swear falsely

“If you swear falsely to Congress, just like if you swear falsely to a court or in an affidavit, that’s a crime. It’s a felony and it can carry heavy consequences,” he said.

From Seattle Times ● Nov. 19, 2019

Within a month he had persuaded two prominent members of the influential local German community to swear, falsely, that he had resided in the country for five years and to sponsor him for citizenship.

From Time Magazine Archive

"Do your worst and say your worst, Eben Graham!" said Herbert, contemptuously, "but be very careful that you do not swear falsely."

From Do and Dare — a Brave Boy's Fight for Fortune by Horatio Alger

In short, Sire, most people swear falsely; and those who do not, hide themselves, or retire in order not to testify.

From The Philippine Islands, 1493-1898 Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the catholic missions, as related in contemporaneous books and manuscripts, showing the political, economic, commercial and religious conditions of those islands from their earliest relations with European nations to the close of the nineteenth century, Volume XXVI, 1636 by Emma Helen Blair

X. Ye shall not swear falsely by my name.

From The Makers and Teachers of Judaism by Charles Foster Kent