freely vs standing on one's head

freely

adv
  • In a free manner. 

  • Without interference or restriction. 

  • Of one's own free will. 

adj
  • Free; frank. 

  • Generous; noble; excellent; beautiful; lovely. 

standing on one's head

adv
  • Very easily. 

How often have the words freely and standing on one's head occurred in a corpus of books? (source: Google Ngram Viewer )