copula vs splice

copula

noun
  • A device that connects two or more keyboards of an organ. 

  • A word, usually a verb, used to link the subject of a sentence with a predicate (usually a subject complement or an adverbial), that unites or associates the subject with the predicate. 

  • A function that represents the association between two or more variables, independent of the individual marginal distributions of the variables. 

  • The act of copulation; mating. 

splice

noun
  • A junction or joining of ropes made by splicing them together. 

  • The electrical and mechanical connection between two pieces of wire or cable. 

  • That part of a bat where the handle joins the blade. 

  • Bonding or joining of overlapping materials. 

  • The process of removing intron sequences from the pre-messenger RNA, and then joining together exons. 

verb
  • To unite as if splicing. 

  • To unite, as spars, timbers, rails, etc., by lapping the two ends together, or by applying a piece which laps upon the two ends, and then binding, or in any way making fast. 

  • To remove intron sequences from the pre-messenger RNA, and then join together exons. 

  • To unite, as two ropes, or parts of a rope, by a particular manner of interweaving the strands, the union being between two ends, or between an end and the body of a rope. 

  • To unite in marriage. 

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