part vs top-up

part

noun
  • 3.5 centiliters of one ingredient in a mixed drink. 

  • A unit of relative proportion in a mixture. 

  • The melody played or sung by a particular instrument, voice, or group of instruments or voices, within a polyphonic piece. 

  • Share, especially of a profit. 

  • A section of a document. 

  • Duty; responsibility. 

  • Each of two contrasting sides of an argument, debate etc.; "hand". 

  • A group inside a larger group. 

  • In the Hebrew lunisolar calendar, a unit of time equivalent to 3⅓ seconds. 

  • The dividing line formed by combing the hair in different directions. 

  • A constituent of character or capacity; quality; faculty; talent; usually in the plural with a collective sense. 

  • A fraction of a whole. 

  • Position or role (especially in a play). 

  • A distinct element of something larger. 

  • A section of land; an area of a country or other territory; region. 

  • A room in a public building, especially a courtroom. 

verb
  • To separate by a process of extraction, elimination, or secretion. 

  • To leave (an IRC channel). 

  • To cut hair with a parting; shed. 

  • To leave the company of. 

  • To divide in two. 

  • To be divided in two or separated; shed. 

  • To separate or disunite; to remove from contact or contiguity; to sunder. 

adv
  • Partly; partially; fractionally. 

adj
  • Fractional; partial. 

top-up

noun
  • A serving of drink used to top up an existing glass. 

  • The situation where a student who holds a qualification equivalent to part of a degree course is then accepted onto a degree course at an intermediate point, without having to start it from the beginning. 

  • Additional credit purchased for a mobile phone. 

  • An addition. 

  • An additional premium paid over the initial premium in order to increase benefit values. 

  • A dose of epidural anesthetic added to previously injected spinal anesthetic in combined spinal-epidural anesthesia 

adj
  • That serves as an addition 

How often have the words part and top-up occurred in a corpus of books? (source: Google Ngram Viewer )