NLP vs IP

NLP and IP both are nouns.

Word	Noun	Adjective	Verb	Adverb
NLP	Yes	No	No	No
IP	Yes	No	No	No

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

NLP: 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 NLP include informatics, information processing, information science.

NLP (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