As verbs the difference between set and juxtapose
is that
set is to put (something) down, to rest while
juxtapose is to place side by side, especially for contrast or comparison.
As a noun set
is a punch for setting nails in wood.
As an adjective set
is fixed in position.
As a proper noun Set
is an ancient Egyptian god, variously described as the god of chaos, the god of thunder and storms, or the god of destruction.