Select the word which means the same as the group of words given "one who cannot speak"?

dumb

The word that means the same as "one who cannot speak" is dumb. So the answer is > (☀) Dumb.

• Lame means unable to walk or move normally.
• Visionless means unable to see.
• Deaf means unable to hear.

Dumb can mean unable to speak, or it can mean stupid or unintelligent. In the context of "one who cannot speak," the word "dumb" is the most appropriate choice.