plus vs top-up

plus

noun
  • An asset or useful addition. 

  • A positive quantity. 

  • A plus sign: +. 

adj
  • Electrically positive. 

  • Being positive rather than negative or zero. 

  • (Of a quantity) Equal to or greater than; or more; upwards. 

  • Positive, or involving advantage. 

verb
  • To add; to subject to addition. 

  • To increase the potency of a remedy by diluting it in water and stirring. 

  • To provide critical feedback by giving suggestions for improvement rather than criticisms. 

  • To sell additional related items with an original purchase. 

  • To increase in magnitude. 

  • To increase a correction. 

  • To frame in a positive light; to provide a sympathetic interpretation. 

  • To improve. 

prep
  • And; sum of the previous one and the following one. 

  • With; having in addition. 

conj
  • And also; in addition; besides (which). 

top-up

noun
  • An addition. 

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

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

  • 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 plus and top-up occurred in a corpus of books? (source: Google Ngram Viewer )