Although there are numerous versions of Roget’s on the market, only some of them retain the organization contained in this version. The greatest drawback to Roget’s is that most entries contain more than one semantic concept. This is because most of the head words are polysemous. So one must do some analysis to separate the words in an entry into cohesive sets. Many of the head words are highly abstract and all of them are nouns, with the result that some are not even good English words. It also lacks definitions. However it is still a good source for lists of words classified under important concepts. The organization of the entries is highly abstract and often non-intuitive. It has 984 domains.