boffin vs slang

boffin and slang both are nouns.

Word	Noun	Adjective	Verb	Adverb
boffin	Yes	No	No	No
slang	Yes	No	Yes	No

boffin (noun)	slang (noun)
(British slang) a scientist or technician engaged in military research	a characteristic language of a particular group (as among thieves)
	informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar