"Myth" is the closest answer, although strictly speaking, it is not a synonym of fable, as it does not mean the same thing.
myth
myth
A synonym for fable (4 letters, beginning with M) is myth.
myth
probably "myth"
Myth is a synonym of fable. Both refer to traditional stories that are often used to explain natural phenomena or convey moral lessons.
There is no synonym for fabe because there is no such word as fabe.
A 'myth'.
mystery dah
Motionless is a synonym for calmness. It begins with the letter m.
myth
myth