Word Tracking: High Frequency Words Author(s): Betty Lou Kratoville Using the Francis-Kucera word list, we've ensured that by the time the learner has completed these exercises he will be familiar with the 500 most frequently used words in the English language. In addition are the many obvious benefits derived from tracking tasks: visual discrimination, left-to-right progression, elimination of reversals and omissions, etc. 18 point type size. Reproducible.