dichotomy vs half

dichotomy

noun
  • A separation or division into two; a distinction that results in such a division. 

  • The division of a genus into two species; a division into two subordinate parts. 

  • A phase of the moon when it appears half lit and half dark, as at the quadratures. 

  • Such a division involving apparently incompatible or opposite principles; a duality. 

  • The division of a class into two disjoint subclasses that are together comprehensive, as the division of man into white and not white. 

  • Division and subdivision; bifurcation, as of a stem of a plant or a vein of the body into two parts as it proceeds from its origin; often successive. 

half

noun
  • One of two usually roughly equal parts into which anything may be divided, or considered as divided. 

  • abbreviated form for half marathon. 

  • Half of a standard measure, chiefly: (Britain) half a pint of beer or cider. 

  • One of the two opposite parts of the playing field of various sports, in which each starts the game. 

  • The fraction obtained by dividing 1 by 2. 

  • Any of the three terms at Eton College, for Michaelmas, Lent, and summer. 

  • A half sibling. 

intj
  • A call reminding performers that the performance will begin in thirty minutes. 

adv
  • Partially; imperfectly. 

  • In some part approximating a half. 

  • In two equal parts or to an equal degree. 

  • Practically, nearly. 

prep
  • Half past; a half-hour (30 minutes) after the last hour. 

  • A half-hour to (preceding) the next hour. 

adj
  • Related through one common grandparent or ancestor rather than two. 

  • Consisting of a half (½, 50%). 

  • Having one parent (rather than two) in common. 

  • Consisting of some indefinite portion resembling a half; approximately a half, whether more or less; partial; imperfect. 

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