Vocabulary Profilers match text words to the divisions of a frequency list. Most profilers are based on Laufer, Nation's 'Classic' Lexical Frequency Profiler (LFP). VP is used for many research and teaching purposes, like rough-tuning texts to learners via same-list based Tests.
Integral text: buck did not read the newspapers or he would have known that trouble was brewing not only for himself but for every tide water dog strong of muscle and with warm long hair from puget sound to san diego