are words which, while of low frequency in the Heb. Bible may have relatively high frequency in any given book. Obviously, for purposes of reading with facility and understanding in that book the knowledge of such distinctive vocabulary is vital, but in terms of basic vocabulary acquisition these words are of secondary importance. Similarly, words which on the basis of word-count are of high frequency, but have the greatest number of occurrences in one book (e.g. sélāh 74x, 71x in Psalms) may be