Over and Out

Over adjective - Brought or having come to an end.

Out and over are semantically related In some cases you can use "Out" instead the word "Over" as an adjective or an adverb.

Out adjective - Fully committed to achieving a goal.

Over and out are semantically related in outer topic. Sometimes you can use "Over" instead the word "Out" as an adjective or an adverb or a preposition, if it concerns topics such as stop.