Back of and Behind

Back of preposition - At, to, or toward the rear of.

Behind is a synonym for back of in end topic. In some cases you can use "Behind" instead the phrase "Back of" as a preposition or an adjective or an adverb, when it comes to topics like back, following in position or time.

Behind preposition - At, to, or toward the rear of.

Back of is a synonym for behind in following topic. You can use "Back of" instead the word "Behind" as an adverb or an adjective or a preposition.