John Sargeaunt, The Pronunciation of English Words Derived from the Latin
“ Those who say 'doctrínal' on the ground that the second vowel is long in Latin commit themselves to 'medicínal', 'natúral', 'nutríment', 'instrúment', and, if their own principle be applied, they make false quantities by the dozen every day of their lives.Three words mostly mispronounced are, from their rarity, perhaps not past rescue. They are 'décanal', 'ruridécanal', and 'prébendal'. There is no more reason for saying 'decánal' than for saying 'matrónal' or for saying 'prebéndal' than for saying 'caléndar'. Of course words like 'tremendous', being imported whole, keep the original stress. ”
