-ess vs -ful

-ess

suffix
  • Used to form nouns from adjectives. 

  • Suffix appended to words to make a female form. 

-ful

suffix
  • Used to form adjectives from nouns, with the sense of being full of, tending to, or thoroughly possessing the quality expressed by the noun. 

  • Used to form nouns from nouns meaning “as much as can be held by what is denoted by the noun” 

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