What is another word for a sweet potato and also means to talk on and on

The correct answer is yammered.

Another word for a sweet potato is yam. There is also a verb to yam which means to talk on and on. However, since you have letters to unscramble and create a word, the actual form of the verb to yam that you need is its past form, which is yammered.

Another word for a sweet potato and also means to talk on and on would be yammered. This word refers to loud and sustained noise. It has synonyms whine and complain. Hope this answers the question. Have a nice day. Feel free to ask more questions.