1908 22 Apr. 6/2 Code-makers have recognized the importance of avoiding combinations [of letters] which are of doubtful ‘pronounceability’.
1920 T. E. Rush iv. 50 Captain Kidd owes his fame as much to the pronounceability of his name and to his alleged respectability as to genuine piratical performances.
1988 July 38/2 Their pronounceability makes them more like words than other initialisms.