successive vs unsteady

successive

adj
  • Of or relating to the grammatical aspect which presupposes the completion of a secondary action as a premise for the primary action of the statement. 

  • Of, or relating to a succession; hereditary. 

  • Coming one after the other in a series. 

unsteady

verb
  • To render unsteady, removing balance. 

adj
  • Inconstant in purpose, or volatile in behavior. 

  • Lacking regularity or uniformity. 

  • Not held firmly in position, physically unstable. 

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