wrapping vs envelope

wrapping and envelope both are nouns.

Word	Noun	Adjective	Verb	Adverb
wrapping	Yes	No	No	No
envelope	Yes	No	No	No

As nouns, envelope is a hyponym of wrapping; that is, envelope is a word with a more specific, narrower meaning than wrapping:

wrapping: the covering (usually paper or cellophane) in which something is wrapped
envelope: any wrapper or covering

Other hyponyms of wrapping include film, plastic film, gift wrapping, jacket, plastic wrap.

wrapping (noun)	envelope (noun)
the covering (usually paper or cellophane) in which something is wrapped	any wrapper or covering
an enveloping bandage	a flat (usually rectangular) container for a letter, thin package, etc.
	the bag containing the gas in a balloon
	the maximum operating capability of a system (especially an aircraft)
	a natural covering (as by a fluid)
	a curve that is tangent to each of a family of curves