off balance vs out of step

off balance

prep
  • Not physical balanced; not having physical equilibrium. 

  • surprised; perplexed 

out of step

prep
  • Not matching the movement of one's feet with that of others, or with an accompanying beat, while marching or walking. 

  • Not matching or in agreement (with someone or something). 

How often have the words off balance and out of step occurred in a corpus of books? (source: Google Ngram Viewer )