algebra vs propagation

algebra

noun
  • A universal algebra. 

  • A system or process, that is like algebra by substituting one thing for another, or in using signs, symbols, etc., to represent concepts or ideas. 

  • An algebraic structure consisting of a module over a commutative ring (or a vector space over a field) along with an additional binary operation that is bilinear over module (or vector) addition and scalar multiplication. 

  • A collection of subsets of a given set, such that this collection contains the empty set, and the collection is closed under unions and complements (and thereby also under intersections and differences). 

  • One of several other types of mathematical structure. 

  • The study of algebraic structures. 

  • The surgical treatment of a dislocated or fractured bone. Also (countable): a dislocation or fracture. 

  • A system for computation using letters or other symbols to represent numbers, with rules for manipulating these symbols. 

propagation

noun
  • the elongation part of transcription 

  • the act of propagating, especially the movement of a wave 

  • winning new converts 

  • some degree of success in the spread of propaganda 

  • the dissemination of something to a larger area or greater number 

  • the multiplication or natural increase in a population 

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