code: function spell(word) {
    var self = this
    var dict = self.data
    var flags = self.flags
    var value = form(self, word, true)
  
    // Hunspell also provides `root` (root word of the input word), and `compound`
    // (whether `word` was compound).
    return {
      correct: self.correct(word),
      forbidden: Boolean(value && flag(flags, 'FORBIDDENWORD', dict[value])),
      warn: Boolean(value && flag(flags, 'WARN', dict[value]))
    }
  }
docs: Check spelling of `word`.