softly vs softly-softly

softly

adv
  • In a soft manner; gently. 

  • Not loudly; nearly inaudibly. 

softly-softly

noun
  • The potto, Perodicticus potto, a primate in the family Lorisidae. 

How often have the words softly and softly-softly occurred in a corpus of books? (source: Google Ngram Viewer )