nucular: http://www.merriam-webster.com/dictionary/nuclear
“Though disapproved of by many, pronunciations ending in \\-kyə-lər\\ have been found in widespread use among educated speakers including scientists, lawyers, professors, congressmen, United States cabinet members, and at least two United States presidents and one vice president. While most common in the United States, these pronunciations have also been heard from British and Canadian speakers.”
seldomly: c1864 Emily DICKINSON Poems (1955) II. 610 The ships..That touch how seldomly Thy Shore?