left vs liberal

left

noun
  • The left-wing political parties as a group; citizens holding left-wing views as a group. 

  • The left side or direction. 

  • A wave breaking from left to right (viewed from the shore). 

  • A punch delivered with the left fist. 

  • The left hand or fist. 

adj
  • Designating the bank of a river (etc.) on one's left when facing downstream (i.e. facing forward while floating with the current); that is, the north bank of a river that flows eastward. If this arrow: ⥲ shows the direction of the current, the tilde is on the left side of the river. 

  • Designating the side of the body toward the west when one is facing north; the side of the body on which the heart is located in most humans; the opposite of right. This arrow points to the reader's left: ← 

  • Left-wing; pertaining to the political left. 

adv
  • Towards the left side. 

  • On the left side. 

  • Towards the political left. 

liberal

noun
  • Someone with progressive or left-wing views; one with a left-wing ideology. 

  • A supporter of any of several liberal parties. 

  • One who favors individual voting rights, human and civil rights, and laissez-faire markets (also called "classical liberal"; compare libertarian). 

  • One with liberal views, supporting individual liberty (see Wikipedia's article on Liberalism). 

adj
  • Widely open to new ideas, willing to depart from established opinions or conventions; permissive. 

  • Generous; permitting liberty; willing to give unsparingly. 

  • Ample, abundant; generous in quantity. 

  • Open to political or social changes and reforms associated with either classical or modern liberalism. 

  • Pertaining to those arts and sciences the study of which is considered to provide general knowledge, as opposed to vocational/occupational, technical or mechanical training. 

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