ascending vs upslope

ascending

noun

  • An ascent. 

adj

  • Rising or increasing to higher levels, values, or degrees. 

  • That causes a sequence to follow an ascending order. 

  • Sloping or leading upwards. 

upslope

noun

  • an upward slope 

adv

  • up a slope 

adj

  • in a direction up a slope 

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