Student or Learner
How different are the following?
I will say first that I am not an English teacher, but I am a native speaker.
Perhaps = same thing as "maybe". Sometimes seen as more formal. Somewhere around a 50% chance.
Maybe = same thing as "perhaps". Sometimes seen as less formal. Somewhere around a 50% chance.
Probably = more likely to happen than "maybe" or "perhaps". It could be around 70 - 90% chance. There is still a change that it may not happen, however.