jargon vs lingo

jargon and lingo both are nouns.

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

As nouns, jargon and lingo are synonyms defined as:

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

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

jargon (noun)	lingo (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