most vs upper limit

most

pron
  • The greater part of a group, especially a group of people. 

adv
  • To a great extent or degree; highly; very. 

  • Almost. 

  • Forms the superlative of many adjectives. 

noun
  • A record-setting amount. 

  • The greatest amount. 

  • The greater part. 

upper limit

noun
  • The upper limit of a sequence of real numbers is the real number which can be found as follows: remove the first term of the sequence in order to obtain the "first subsequence." Then remove the first term of the first subsequence in order to obtain the "second subsequence." Repeat the removal of first terms in order to obtain a "third subsequence," "fourth subsequence," etc. Find the supremum of each of these subsequences, then find the infimum of all of these supremums. This infimum is the upper limit. 

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