decay vs merit

decay

noun
  • The process or result of being gradually decomposed. 

  • A deterioration of condition; loss of status or fortune. 

  • The situation, in programming languages such as C, where an array loses its type and dimensions and is reduced to a pointer, for example by passing it to a function. 

verb
  • To undergo bit rot, that is, gradual degradation. 

  • To deteriorate, to get worse, to lose strength or health, to decline in quality. 

  • To undergo optical decay, that is, to relax to a less excited state, usually by emitting a photon or phonon. 

  • Loss of airspeed due to drag. 

  • To undergo software rot, that is, to fail to be updated in a changing environment, so as to eventually become legacy or obsolete. 

  • To change by undergoing fission, by emitting radiation, or by capturing or losing one or more electrons; to undergo radioactive decay. 

  • To cause to rot or deteriorate. 

  • Of an array: to lose its type and dimensions and be reduced to a pointer, for example when passed to a function. 

  • To rot, to go bad. 

  • To undergo prolonged reduction in altitude (above the orbited body). 

merit

verb
  • To be deserving or worthy. 

  • To deserve, to earn. 

noun
  • Usually in the plural form the merits: the substantive rightness or wrongness of a legal argument, a lawsuit, etc., as opposed to technical matters such as the admissibility of evidence or points of legal procedure; (by extension) the overall good or bad quality, or rightness or wrongness, of some other thing. 

  • A claim to commendation or a reward. 

  • A mark or token of approbation or to recognize excellence. 

  • Something deserving or worthy of positive recognition or reward. 

  • The sum of all the good deeds that a person does which determines the quality of the person's next state of existence and contributes to the person's growth towards enlightenment. 

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