capacity vs nullity

capacity

adj
  • Filling the allotted space. 

noun
  • A measure of such ability; volume 

  • The maximum amount that can be held 

  • Electrical capacitance. 

  • Mental ability; the power to learn 

  • Legal authority (to make an arrest for example) 

  • The maximum that can be produced. 

  • The ability to hold, receive, or absorb 

  • The maximum that can be produced on a machine or in a facility or group. 

  • A role; the position in which one functions 

  • Capability; the ability to perform some task 

  • A faculty; the potential for growth and development 

nullity

noun
  • The difference between the rank of a matrix and the number of columns it has; the dimension of the nullspace of a matrix. 

  • A void act; a defective proceeding or one expressly declared by statute to be a nullity. 

  • The state of being null, or void, or invalid. 

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