给定一篇文章，将其中的所有单词按照出现次数从高到低排列。


"Natural language processing (NLP) is a subfield of linguistics, computer science, and artificial intelligence concerned with the interactions between computers and human language, in particular how to program computers to process and analyze large amounts of natural language data."
Natural language processing (NLP), computers, human language, linguistics, computer science, artificial intelligence, interactions, program, process, analyze, large amounts, data.