early vs preparation

early

noun
  • A shift (scheduled work period) that takes place early in the day. 

adv
  • At a time before expected; sooner than usual. 

  • Soon; in good time; seasonably. 

adj
  • Near the start or beginning. 

  • Near the start of the day. 

  • Having begun to occur; in its early stages. 

  • At a time in advance of the usual or expected event. 

  • Arriving a time before expected; sooner than on time. 

  • Of a star or class of stars, hotter than the sun. 

preparation

noun
  • The act of preparing or getting ready. 

  • The day before the Sabbath or other Jewish feast-day. 

  • A substance, especially a remedy, that is prepared. 

  • The state of being prepared; readiness. 

  • Devotional exercises introducing an office. 

  • Any of the objects placed between the strings of a prepared piano. 

  • The previous introduction, as an integral part of a chord, of a note continued into a succeeding dissonance. 

  • A part of any animal body preserved as a specimen. 

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