That would be "nu-kle-er", kids, not "nu-ku-ler". As in,
The pronunciation (nky-lr), which is generally considered incorrect, is an example of how a familiar phonological pattern can influence an unfamiliar one. The usual pronunciation of the final two syllables of this word is (-kl-r), but this sequence of sounds is rare in English. Much more common is the similar sequence (-ky-lr), which occurs in words like particular, circular, spectacular, and in many scientific words like molecular, ocular, and vascular.There, I feel better now. Well, not about North Korea.