plum vs jargon

plum and jargon both are nouns.

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

plum (noun)	jargon (noun)
a highly desirable position or assignment	a characteristic language of a particular group (as among thieves)
any of numerous varieties of small to medium-sized round or oval fruit having a smooth skin and a single pit	specialized technical terminology characteristic of a particular subject
any of several trees producing edible oval fruit having a smooth skin and a single hard stone	a colorless (or pale yellow or smoky) variety of zircon

plum (adverb)	jargon (adverb)
exactly
completely; used as intensifiers