English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
ROASTER or ROSTER?
We have to prepare an invigilation ~roaster~ (nonstandard).
We have to prepare an invigilation *roster* (standard).
A roster is a list which gives details of the order in which different people have to do a particular job.
I think I should get a ~roster~ to prepare my poultry (nonstandard).
I think I should get a *roaster* to prepare my poultry (standard).
A person or thing that roasts or a piece of food, such as a chicken or a potato, that is suitable for roasting is called a roaster.
GAB
So interested