ahead vs last

ahead

adv
  • To an earlier time. 

  • To a later time. 

  • At an earlier time; beforehand; in advance. 

  • In or for the future. 

  • At or towards the front; in the direction one is facing or moving. 

  • So as to be further advanced, either spatially or in an abstract sense. 

last

adv
  • Most recently. 

  • after everything else; finally 

noun
  • A tool for shaping or preserving the shape of shoes. 

  • A load of some commodity with reference to its weight and commercial value. 

verb
  • To hold out, continue undefeated or entire. 

  • To shape with a last; to fasten or fit to a last; to place smoothly on a last. 

  • To endure, continue over time. 

adj
  • Being the only one remaining of its class. 

  • Farthest of all from a given quality, character, or condition; most unlikely, or least preferable. 

  • Supreme; highest in degree; utmost. 

  • Lowest in rank or degree. 

  • Most recent, latest, last so far. 

  • Final, ultimate, coming after all others of its kind. 

det
  • The (one) immediately before the present. 

  • Closest in the past, or closest but one if the closest was very recent; of days, sometimes thought to specifically refer to the instance closest to seven days (one week) ago, or the most recent instance before seven days (one week) ago. 

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