conjugation vs weld

conjugation

noun
  • A system of delocalized orbitals consisting of alternating single bonds and double bonds 

  • The temporary fusion of organisms, especially as part of sexual reproduction 

  • The act or process of conjugating a verb. 

  • The product of that act: the conjugated forms of a verb, collected into a list or recitation. 

  • The coming together of things; union. 

  • Sexual relations within marriage 

  • In some languages, one of several classifications of verbs according to what inflections they take. 

  • A mapping sending x to gxg⁻¹, where g and x are elements of a group; inner automorphism 

  • A function which negates the non-real part of a complex or hypercomplex number; complex conjugation 

weld

noun
  • The joint made by welding. 

  • A herb (Reseda luteola) related to mignonette, growing in Europe, and to some extent in America, used to make a yellow dye. 

  • The yellow coloring matter or dye extracted from this plant. 

verb
  • To join two materials (especially two metals) together by applying heat, pressure and filler, either separately or in any combination. 

  • To bind together inseparably; to unite closely or intimately. 

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