Artificial intelligent assistant

spellingly

ˈspellingly, adv.
  [f. spelling, pres. pple. of spell v.2]
  By dint of spelling; letter by letter.

1644 Digby Nat. Bodies xix. §7. 171 If then we can but arriue to decypher the first characters of the hidden Alphabet..and can but spellingly reade the first syllabes of it [etc.]. 1847 Thackeray Lords & Liv. iii, Jeames read the..paper..; not spellingly and with hesitation.

Oxford English Dictionary

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