恐々
  怖々
  恐恐
  怖怖
  こわごわ
  adverb (fukushi)
  adverb taking the `to' particle
  fearfully
  timidly
  cautiously
  nervously
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  恐恐
  恐々
  きょうきょう
  adjectival nouns or quasi-adjectives (keiyodoshi)
  interjection (kandoushi)
  noun (common) (futsuumeishi)
  respect (epistolary usage)
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