inert vs unsteady

inert

adj
  • Unable to move or act; inanimate. 

  • Sluggish or lethargic. 

  • In chemistry, not readily reacting with other elements or compounds. 

  • Having no therapeutic action. 

noun
  • A substance that does not react chemically. 

verb
  • To fill with an inert gas to reduce the risk of explosion. 

unsteady

adj
  • Not held firmly in position, physically unstable. 

  • Inconstant in purpose, or volatile in behavior. 

  • Lacking regularity or uniformity. 

verb
  • To render unsteady, removing balance. 

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