Such cryptograms were not uncommon; Brady comments on (from Richard Bernard's Key of Knowledge of 1617) the phrase Generalis Dei Vicarius in Terris likewise treated, and Thomas Beard’s 1625 permutation Vicarius Dei Generalis in Terris, perhaps influenced by Helwig.
The use of letter frequencies and frequency analysis plays a fundamental role in cryptograms and several word puzzle games, including Hangman, Scrabble, Bananagrams, and the television game show Wheel of Fortune.