Researchers at Yale have put together a survey of common words, and would like you to participate!
They would like recordings from anyone who has grown up speaking English in the US or Canada. They would like to get information about as many different types of North American English as possible. The more diverse our participants, the more representative it will be of the ways Americans speak. You may contribute from your computer as long as it has a microphone. There are no right or wrong answers in this survey.
In addition to the literature databases, try the following 2 databases: