equibalance vs uprightness

equibalance

noun

  • Equal weight; equiponderance. 

verb

  • To make of equal weight; to counterbalance. 

uprightness

noun

  • The product or result of being upright. 

  • The state of being honest, honourable, and moral. 

  • The state of being erect or vertical. 

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