accident vs reverse

accident

noun
  • A point or mark which may be retained or omitted in a coat of arms. 

  • Any property, fact, or relation that is the result of chance or is nonessential or nonsubstantive. 

  • A person born from an unintended pregnancy. 

  • A collision or crash of a vehicle, aircraft, or other form of transportation that causes damage to the transportation involved; and sometimes injury or death to the transportation's occupants or bystanders in close proximity. (but see Usage notes) 

  • A property attached to a word, but not essential to it, such as gender, number, or case. 

  • An instance of incontinence. 

  • An unexpected event with negative consequences occurring without the intention of the one suffering the consequences, and (in the strict sense) not directly caused by humans. 

  • Chance; random chance. 

  • Urine or feces excreted due to incontinence. 

  • An irregular surface feature with no apparent cause. 

  • A sudden discontinuity of ground such as fault of great thickness, bed or lentil of unstable ground. 

  • An unintended pregnancy. 

  • Any chance event. 

  • casus; such unforeseen, extraordinary, extraneous interference as is out of the range of ordinary calculation. 

adj
  • Designating any form of transportation involved in an accident. 

reverse

noun
  • The tails side of a coin, or the side of a medal or badge that is opposite the obverse. 

  • The act of going backwards; a reversal. 

  • A thrust in fencing made with a backward turn of the hand; a backhanded stroke. 

  • The opposite of something. 

  • The gear setting of an automobile that makes it travel backwards. 

  • A turn or fold made in bandaging, by which the direction of the bandage is changed. 

  • A piece of misfortune; a setback. 

  • The side of something facing away from a viewer, or from what is considered the front; the other side. 

verb
  • To transpose the positions of two things. 

  • To engage reverse thrust on (an engine). 

  • To cause a mechanism or a vehicle to operate or move in the opposite direction to normal. 

  • To turn something around so that it faces the opposite direction or runs in the opposite sequence. 

  • To revoke a law, or to change a decision into its opposite. 

  • To change totally; to alter to the opposite. 

  • To place (a set of points) in the reverse position. 

  • To change the direction of a reaction such that the products become the reactants and vice-versa. 

  • To move from the normal position to the reverse position. 

  • To overthrow; to subvert. 

  • To turn something inside out or upside down. 

adj
  • Pertaining to engines, vehicle movement etc. moving in a direction opposite to the usual direction. 

  • Turned upside down; greatly disturbed. 

  • In which cDNA synthetization is obtained from an RNA template. 

  • Reversed. 

  • Opposite, contrary; going in the opposite direction. 

  • To be in the non-default position; to be set for the lesser-used route. 

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