shakedown vs argot

shakedown and argot both are nouns.

Word	Noun	Adjective	Verb	Adverb
shakedown	Yes	Yes	No	No
argot	Yes	No	No	No

shakedown (noun)	argot (noun)
extortion of money (as by blackmail)	a characteristic language of a particular group (as among thieves)
a very thorough search of a person or a place
initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state

shakedown (adjective)	argot (adjective)
intended to test a new system under operating conditions and to familiarize the operators with the system