jargon vs piece of tail

jargon and piece of tail both are nouns.

Word	Noun	Adjective	Verb	Adverb
jargon	Yes	No	No	No
piece of tail	Yes	No	No	No

jargon (noun)	piece of tail (noun)
a characteristic language of a particular group (as among thieves)	slang for sexual intercourse
specialized technical terminology characteristic of a particular subject
a colorless (or pale yellow or smoky) variety of zircon