Following are a number of back-translations of Ephesians 4:29:

• Uma: “Don’t let there be evil words spoken from our lips. Rather speak words that help and strengthen others’ hearts, like is appropriate. Words like that bring goodness to people who hear.” (Source: Uma Back Translation)
• Yakan: “Don’t speak bad things but speak only good words and words that encourage the liver and words that hit-the-mark/are correct for the good of those who listen to you.” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “It’s necessary that your speaking is not filthy, but rather you must speak words which will give help to the faith of your companions, so that those who listen to you might find great value according to what they need in what you say.” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “You ought not to speak even a little evil, but rather what you are only to speak is what will help and strengthen the minds of those who listen according to what each one needs so that it will be-to-his-betterment.” (Source: Kankanaey Back Translation)
• Tagbanwa: “It’s necessary also that your mouths will not emit (lit. be exited by) harsh-speech, but rather wholly what is good which is a means-of-making-firm the belief of others and (that which is) able to help them with whatever they need.” (Source: Tagbanwa Back Translation)
• Tenango Otomi: “Do not speak any kind of bad words. Rather you must speak the good word, that word which will do good to the people who hear it.” (Source: Tenango Otomi Back Translation)