conjugation vs hinge

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 

hinge

noun
  • A naturally occurring joint resembling such hardware in form or action, as in the shell of a bivalve. 

  • A principle, or a point in time, on which subsequent reasonings or events depend. 

  • One of the four cardinal points, east, west, north, or south. 

  • A stamp hinge, a folded and gummed paper rectangle for affixing postage stamps in an album. 

  • The median of the upper or lower half of a batch, sample, or probability distribution. 

  • A movement that presents itself as rotation when an off-centre fixed point is taken into account. 

  • A jointed or flexible device that allows the pivoting of a door etc. 

verb
  • To depend on something. 

  • The breaking off of the distal end of a knapped stone flake whose presumed course across the face of the stone core was truncated prematurely, leaving not a feathered distal end but instead the scar of a nearly perpendicular break. 

  • To attach by, or equip with a hinge. 

  • To move or already be positioned in such a fashion that it presents itself as rotation when an off-centre fixed point is taken into account. 

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