natural language processing vs IP

natural language processing and IP both are nouns.

Word	Noun	Adjective	Verb	Adverb
natural language processing	Yes	No	No	No
IP	Yes	No	No	No

As nouns, IP is a hypernym of natural language processing; that is, IP is a word with a broader meaning than natural language processing:

natural language processing: the branch of information science that deals with natural language information
IP: the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information

Other hypernyms of natural language processing include informatics, information processing, information science.

natural language processing (noun)	IP (noun)
the branch of information science that deals with natural language information	the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information