The correct spelling of the word "Rensburg" is actually "Rensburg" with a capital "R". In IPA phonetic transcription, it would be pronounced \ˈrɛnzbɜːrɡ\. The word "Rensburg" is a Germanic surname that originates from the town of Rendsburg in Northern Germany. It is important to use the correct spelling of names and surnames to avoid confusion, especially when searching for records or contacting individuals with specific names.