curiously vs singly

curiously

adv
  • Oddly; in a strange or unexpected way. 

  • In a curious manner; with curiosity; inquisitively. 

singly

adv
  • Individually; particularly; severally. 

  • Honestly; sincerely; simply. 

  • Without partners, companions, or associates; single-handed. 

  • In a single or unaccompanied manner; without a companion. 

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