aggregation vs rollup

aggregation

noun
  • A collection of particulars; an aggregate. 

  • The state of being collected into a mass, assemblage, or sum (aggregated). 

  • Summarizing multiple routes into one route. 

  • The act of collecting together (aggregating). 

  • The majority of the parasite population concentrated into a minority of the host population. 

  • Kind of object composition which does not imply ownership. 

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. 

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