However, it's important to note that "karupatti" can also refer to jaggery or brown sugar, as they share a similar dark brown color and sweet taste.
To be more specific about cinnamon, you could use the term இலவங்கப்பட்டை (ilavangapattai), which translates to "cinnamon bark".
You could also use the English word "cinnamon" in Tamil, which is pronounced சின்னமன் (sinnaman).