lapse vs regress

lapse

verb
  • To fall away gradually; to subside. 

  • To slip into a bad habit that one is trying to avoid. 

  • To become void. 

  • To fall into error or heresy. 

  • To fall or pass from one proprietor to another, or from the original destination, by the omission, negligence, or failure of somebody, such as a patron or legatee. 

noun
  • A decline or fall in standards. 

  • A common-law rule that if the person to whom property is willed were to die before the testator, then the gift would be ineffective. 

  • A pause in continuity. 

  • A marked decrease in air temperature with increasing altitude because the ground is warmer than the surrounding air. 

  • A fall or apostasy. 

  • An interval of time between events. 

  • A temporary failure; a slip. 

  • A termination of a right etc., through disuse or neglect. 

  • memory lapse 

regress

verb
  • To move backwards to an earlier stage; to devolve. 

  • To move from east to west. 

  • To perform a regression on an explanatory variable. 

  • To interrogate a person in a state of trance about forgotten elements of their past. 

noun
  • The act of passing back; passage back; return; retrogression. 

  • In property law, the right of a person (such as a lessee) to return to a property. 

  • The power or liberty of passing back. 

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