common|adjective|usual; happening often; beliefs or ideas shared by many people (“a common purpose”)
control|noun|the ability or power to make someone or something do what you want
control|verb|to decide how things are organized and managed; to limit the spread of something; to have the power to make someone or something do what you want
debate|noun|a discussion about a particular subject where people express different opinions
debate|verb|to discuss a particular subject with people who have different opinions than you do
machine|noun|a device or piece of equipment that has moving parts and uses power such as electricity, fuel, etc... to do work
