English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
EXAM DISCOURSE
Every department has an invigilation ~roaster~ (nonstandard).
Every department has an invigilation *roster* (standard).
A list which gives details of the order in which different people have to do a particular job is a ROSTER while a roaster is a person or thing roasts.
The examination ~timestable~ was adjusted due to the public holiday (nonstandard).
The examination *timetable* was adjusted due to the public holiday (standard).
A timetable is a plan of the times when particular events are to take place,bwhile a list that shows the results of multiplying certain numbers (such as 1 through 12) by each other is called times table or multiplication table.
GAB
