rollup vs sum

rollup

noun
  • That which is rolled up; a summation; an aggregation; a total. 

  • A self-made cigarette of tobacco and rolling paper. 

  • A kind of flat, pectin-based, fruit-flavored snack rolled into a tube. 

  • A kind of food made by wrapping ingredients in another food, e.g. fajitas. 

  • A business technique where multiple small companies in the same market are acquired and merged. 

  • A collection of software updates distributed as a single package. 

sum

noun
  • A quantity obtained by addition or aggregation. 

  • The basic unit of money in Uzbekistan. 

  • The utmost degree. 

  • A summary; the principal points or thoughts when viewed together; the amount; the substance; compendium. 

  • A quantity of money. 

  • The basic unit of money in Kyrgyzstan. 

  • A type of administrative district used in China, Mongolia, and Russia. In Mongolia, a sum is smaller than a province. In China, it is only used in Inner Mongolia, where it is equivalent to a township. 

  • An arithmetic computation, especially one posed to a student as an exercise (not necessarily limited to addition). 

  • A central idea or point; gist. 

verb
  • To add together. 

  • To give a summary of. 

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