remainder vs remnant

remainder

noun
  • A part or parts remaining after some has/have been removed. 

  • Excess stock items left unsold and subject to reduction in price. 

  • The amount left over after subtracting the divisor as many times as possible from the dividend without producing a negative result. If n (dividend) and d (divisor) are integers, then n can always be expressed in the form n = dq + r, where q (quotient) and r (remainder) are also integers and 0 ≤ r < d. 

  • An estate in expectancy which only comes in its heir's possession after an estate created by the same instrument has been determined 

  • The number left over after a simple subtraction 

adj
  • Remaining. 

verb
  • To mark or declare items left unsold as subject to reduction in price. 

remnant

noun
  • The small portion remaining of a larger thing or group. 

  • The remaining fabric at the end of the bolt. 

  • An unsold end of piece goods, as cloth, ribbons, carpets, etc. 

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