On high and On top of

On top of and on high are semantically related in above topic. In some cases you can use "On top of" instead the phrase "On high" as an adverb or a preposition, when it comes to topics like higher in position.

On high and on top of are semantically related in above topic. Sometimes you can use "On high" instead the word "On top of" as an adverb or a preposition, if it concerns topics such as higher in position.