lingo vs jargon

lingo and jargon both are nouns.

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

As nouns, lingo and jargon are synonyms defined as:

lingo and jargon: a characteristic language of a particular group (as among thieves)

Other synonyms of lingo include argot, cant, patois, slang, vernacular.

lingo (noun)	jargon (noun)
a characteristic language of a particular group (as among thieves)	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