ever vs from day to day

ever

adv
  • Always, frequently, forever. 

  • As intensifier following an interrogative word. 

  • In any way. 

  • Continuously, constantly, all the time (for the complete duration). 

  • At any time. 

det
  • Shortening of every 

adj
  • Occurring at any time, occurring even but once during a timespan. 

from day to day

adv
  • daily. 

  • focusing on one day at a time. 

How often have the words ever and from day to day occurred in a corpus of books? (source: Google Ngram Viewer )