The noun altar refers to the table in churches where religious ceremonies are carried out. The verb alter means to change, modify, or adjust.
Examples:
- "I feel sure that no girl would go to the altar if she knew all." (Queen Victoria)
- "The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind." (Lee Iacocca)
Practice:
(a) "No passion in the world is equal to the passion to _____ someone else's draft." (H. G. Wells)
(b) "I have sworn upon the _____, eternal hostility against every form of tyranny over the mind of man." (Thomas Jefferson)

