in the nick of time vs untimely

in the nick of time

prep

  • At the last possible moment; at the last minute. 

untimely

adv

  • Prematurely. 

adj

  • At an inopportune time. 

  • Early; premature. 

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