additional vs more

additional

noun
  • Something added. 

adj
  • Supplemental or added to something. 

more

noun
  • A plant; flower; shrub. 

  • A root; stock. 

verb
  • To root up. 

det
  • Additional; further. 

  • Bigger, stronger, or more valuable. 

pron
  • A greater number or quantity (of something). 

  • An extra or additional quantity (of something). 

adv
  • Used in addition to an inflected comparative form. 

  • To a greater degree or extent. 

  • Used to form the comparative form of adjectives and adverbs. 

  • In negative constructions: any further, any longer; any more. 

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