vocabulary vs language

vocabulary and language both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocabulary	Yes	No	No	No
language	Yes	No	No	No

vocabulary (noun)	language (noun)
a language user's knowledge of words	the mental faculty or power of vocal communication
the system of techniques or symbols serving as a means of expression (as in arts or crafts)	the cognitive processes involved in producing and understanding linguistic communication
a listing of the words used in some enterprise	a systematic means of communicating by the use of sounds or conventional symbols
	(language) communication by word of mouth
	the text of a popular song or musical-comedy number
	a system of words used to name things in a particular discipline