language vs vocabulary

language and vocabulary both are nouns.

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

language (noun)	vocabulary (noun)
the mental faculty or power of vocal communication	a language user's knowledge of words
the cognitive processes involved in producing and understanding linguistic communication	the system of techniques or symbols serving as a means of expression (as in arts or crafts)
a systematic means of communicating by the use of sounds or conventional symbols	a listing of the words used in some enterprise
(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