GIGANTIC is a word familiar to readers of Word Ways in having two letters G with strikingly different pronunciations. Other words which have two like letters with obviously different pronunciations include JACKAL, ACETIC, EGRET, GORGE, INSIDE, JERONIMO, BASES, UNUSED, XEROX and YELLOWY. There are thousands of other words with 2 like letters which have different pronunciations. Many of these differences are more subtle than those in the above examples, sometimes only being able to be confirmed by reference to a phonetics list.
Word Ways: Vol. 41
, Article 21.
Available at: http://digitalcommons.butler.edu/wordways/vol41/iss2/21