What is the difference between the words -May be vs maybe?

The grammar of the English language is very interesting like when you actually do your research and have enough passion for the English language grammar you will know what I mean. English Grammar is like a place that you know but then you face an exception and *boom* the place feels quite strange but at the same time very interesting. But yes, sometimes it gets really really confusing especially when you need to deal with the words that play dual roles in parts of speech and that is when you come up with questions like the one this article is going to answer and that is – What is the difference between the words -May be vs maybe?