Maybe
adverb
written as one word, defined as possibly or perhaps.
used to indicate uncertainty or possibility.
- Maybe it won't rain.
- Maybe no one will come to the party.
- Maybe you were right after all.
Probably
adverb
used to mean that something is very likely
- Sam was probably right.
- I'll probably be home by midnight.
- The infection was probably caused by swimming in contaminated water.
