jargon vs sawn-off

jargon is a noun but sawn-off is not a noun.

Word	Noun	Adjective	Verb	Adverb
jargon	Yes	No	No	No
sawn-off	No	Yes	No	No

jargon (noun)	sawn-off (noun)
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

jargon (adjective)	sawn-off (adjective)
	shortened
	well below average height