Synonym of TRADUCE

Harden : make or become hard or harder.
Force : strength or energy as an attribute of physical action or movement.
Build : construct (something) by putting parts or material together.
Betray : expose (one's country, a group, or a person) to danger by treacherously giving information to an enemy.
Traduce : speak badly of or tell lies about (someone) so as to damage their reputation.

Synonym of Traduce is Betray