generally vs oftest

generally

adv
  • Popularly or widely. 

  • As a rule; usually. 

  • Without reference to specific details. 

  • In the general case, without exception. 

oftest

adv
  • Most often (superlative form of oft: most oft) 

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