Osnaburg is a coarse and heavy woven fabric that is commonly used for industrial purposes like making bags, sacks, and work clothes. While it may not be a term that many people are familiar with, there are actually a number of other words that can be used as synonyms for "Osnaburg". These include terms like "canvas", "burlap", "hessian", and "sacking", all of which describe types of woven fabrics with similar properties. While the specific term used may depend on the context or region, each of these words can be used to describe a rough, sturdy, and utilitarian fabric that is ideal for tough jobs and heavy-duty use.