General:
* Sack: This is a very common and general term.
* Burlap bag: If the bag is made of burlap material.
* Gunny sack: Another name for a burlap bag, particularly in the US.
* Hessian bag: A synonym for a burlap bag, particularly in the UK.
* Tote bag: If it has handles and is used for carrying items.
* Bulk bag: If it's designed for carrying large quantities of materials.
* Jumbo bag: Similar to a bulk bag, but often refers to a very large bag.
Specific:
* Feed bag: For carrying animal feed.
* Potato sack: For carrying potatoes.
* Shopping bag: For carrying groceries or other purchases.
* Mailbag: For carrying mail.
* Trash bag: For carrying trash.
Informal:
* Bag of potatoes: This is a casual, playful way to refer to a large, coarse bag.
* Big bag: A simple and descriptive term.
The best term to use will depend on the specific context and what kind of bag you are referring to.