gobbledygook vs jargon

gobbledygook and jargon both are nouns.

Word	Noun	Adjective	Verb	Adverb
gobbledygook	Yes	No	No	No
jargon	Yes	No	No	No

As nouns, jargon is a hypernym of gobbledygook; that is, jargon is a word with a broader meaning than gobbledygook:

gobbledygook: incomprehensible or pompous jargon of specialists
jargon: specialized technical terminology characteristic of a particular subject

gobbledygook (noun)	jargon (noun)
incomprehensible or pompous jargon of specialists	a characteristic language of a particular group (as among thieves)
	specialized technical terminology characteristic of a particular subject
	a colorless (or pale yellow or smoky) variety of zircon