Above and Upon

Above adjective - Appearing earlier in the same text.

Upon is a synonym for above in on topic. In some cases you can use "Upon" instead the word "Above" as a preposition or an adverb or an adjective, when it comes to topics like over, on top of, higher in position. popular alternative

Upon preposition - In or into contact with.

Above is a synonym for upon in position topic. You can use "Above" instead the word "Upon" as an adverb or an adjective, if it concerns topics such as on. popular alternative