-ful vs -t

-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” 

-t

suffix
  • Verbs formed from nouns or adjectives (compare English -ate, -ize), frequently having a causative force, or modified from an existing verb into a frequentative verb (no longer productive) 

  • Forms the past tense and/or past participle of some verbs (leapt, kept, dreamt, blest, etc.) 

  • An excrescent ending appended to words suffixed with -s. 

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