Forth and Out

Forth adverb - Toward a point ahead in space or time.

Out is a synonym for forth in forward topic. In some cases you can use "Out" instead the word "Forth" as an adverb or a preposition, when it comes to topics like outward.

Out adverb - In or into the open air.

Forth is a synonym for out in forward topic. You can use "Forth" instead an adverb "Out".