bipolar vs two-way

bipolar

adj
  • Involving or having both extremes or poles at the same time. 

  • Relating to a bipole. 

  • Relating to or having bipolar disorder. 

  • Relating to both polar regions. 

  • Of or relating to an international system in which two states wield most of the cultural, economic, and political influence. 

noun
  • A bipolar cell. 

two-way

adj
  • Moving or occurring in opposite directions. 

  • Involving the mutual action or participation of two parties. 

  • Playing both offense and defense in the same game. 

  • Having or involving exactly two variables; bivariate. 

  • Allowing traffic in two directions. 

  • Permitting communication in two directions, i.e. both transmitting and receiving. 

  • Utilising both Western and Indigenous knowledge systems; bothways. 

noun
  • A serving of Cincinnati chili with spaghetti. 

How often have the words bipolar and two-way occurred in a corpus of books? (source: Google Ngram Viewer )