toothbrush vs slang

toothbrush and slang both are nouns.

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

toothbrush (noun)	slang (noun)
small brush; has long handle; used to clean teeth	a characteristic language of a particular group (as among thieves)
slang for a mustache	informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar