Superpose vs Juxtapose - What's the difference?

As verbs the difference between superpose and juxtapose

is that superpose is to place one thing on top of another while juxtapose is to place side by side, especially for contrast or comparison.

(superpos)

To place one thing on top of another

(mathematics) To place one geometric figure on top of another in such a way that all common parts coincide

(juxtapos)

To place side by side, especially for contrast or comparison.

* 2006 , Scarnati, Chris, "We should follow New Jersey's lead on this one", YourCranberry :

"In juxtaposing the youth athletes of our grandparents' generation with those of the modern era, we're essentially comparing ."