indolent vs unambitious

indolent

adj
  • Inducing laziness 

  • Healing slowly 

  • Causing little or no physical pain; progressing slowly; inactive (of an ulcer, etc.) 

  • Habitually lazy, procrastinating, or resistant to physical labor 

unambitious

adj
  • having little ambition for success or achievement 

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