comma vs trace

comma

noun
  • A similar-looking subscript diacritical mark. 

  • A difference in the calculation of nearly identical intervals by different ways. 

  • A brief interval. 

  • In Ancient Greek rhetoric, a short clause, something less than a colon, originally denoted by comma marks. In antiquity it was defined as a combination of words having no more than eight syllables in all. It was later applied to longer phrases, e.g. the Johannine comma. 

  • The punctuation mark ⟨,⟩ used to indicate a set of parts of a sentence or between elements of a list. 

  • Any of various nymphalid butterflies of the genus Polygonia, having a comma-shaped white mark on the underwings, especially Polygonia c-album and Polygonia c-aureum of North Africa, Europe, and Asia. 

  • A delimiting marker between items in a genetic sequence. 

verb
  • To place a comma or commas within text; to follow, precede, or surround a portion of text with commas. 

trace

noun
  • A mark left as a sign of passage of a person or animal. 

  • The ground plan of a work or works. 

  • The intersection of a plane of projection, or an original plane, with a coordinate plane. 

  • The sum of the diagonal elements of a square matrix. 

  • An empty category occupying a position in the syntactic structure from which something has been moved, used to explain constructions such as wh-movement and the passive. 

  • A residue of some substance or material. 

  • An enquiry sent out for a missing article, such as a letter or an express package. 

  • A connecting bar or rod, pivoted at each end to the end of another piece, for transmitting motion, especially from one plane to another; specifically, such a piece in an organ stop action to transmit motion from the trundle to the lever actuating the stop slider. 

  • An act of tracing. 

  • A very small amount. 

  • One of two straps, chains, or ropes of a harness, extending from the collar or breastplate to a whippletree attached to a vehicle or thing to be drawn; a tug. 

  • An informal road or prominent path in an arid area. 

  • A current-carrying conductive pathway on a printed circuit board. 

verb
  • To follow the execution of the program by making it to stop after every instruction, or by making it print a message after every step. 

  • To draw or sketch lightly or with care. 

  • To follow the trail of. 

  • To follow the history of. 

  • To copy onto a sheet of paper superimposed over the original, by drawing over its lines. 

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