aberration vs exception

aberration

noun
  • A partial alienation of reason. 

  • The tendency of light rays to preferentially strike the leading face of a moving object (the effect underlying the above phenomenon). 

  • A typical development or structure; deviation from the normal type; an aberrant organ. 

  • A defect in an image produced by an optical or electrostatic lens system. 

  • The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; a defect in a focusing mechanism that prevents the intended focal point. 

  • A mental disorder, especially one of a minor or temporary character. 

  • A small periodical change of the apparent positions of the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer. 

  • A deviation of a tissue, organ or mental functions from what is considered to be within the normal range. 

  • The act of wandering; deviation from truth, moral rectitude; abnormal; divergence from the straight, correct, proper, normal, or from the natural state. 

exception

noun
  • That which is excluded from others; a person, thing, or case, specified as distinct, or not included. 

  • An objection; cavil; dissent; disapprobation; offense; cause of offense; — usually followed by to or against. 

  • An objection, on legal grounds; also, as in conveyancing, a clause by which the grantor excepts or reserves something before the right is transferred. 

  • An interruption in normal processing, typically caused by an error condition, that can be raised ("thrown") by one part of the program and handled ("caught") by another part. 

  • The act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule. 

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