dynamic vs past tense

dynamic

noun
  • A verb that indicates continued or progressive action on the part of the subject. 

  • A moving force. 

  • A characteristic or manner of an interaction; a behavior. 

  • The varying loudness or volume of a song or the markings that indicate the loudness. 

  • A symbol in a musical score that indicates the desired level of volume. 

adj
  • Happening at runtime instead of being predetermined at compile time. 

  • Pertaining to dynamics, the branch of mechanics concerned with the effects of forces on the motion of objects. 

  • Of a verb: not stative, but fientive; indicating continued or progressive action on the part of the subject. 

  • Able to change and adapt. 

  • Powerful; energetic. 

  • Having to do with the volume of sound. 

  • Changing; active; in motion. 

past tense

noun
  • A grammatical form (often a verb form) that is used in a conditional expression to refer to an event, transaction, occurrence, or object that is hypothetical and often counterfactual. 

  • A grammatical form (often a verb form) that refers to an event, transaction, occurrence, or object that happened (or had happened), or existed, at some time before now (the applicable reference time). 

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