floundering vs unpolished

floundering

noun
  • The act of one who flounders; a clumsy struggle. 

unpolished

adj
  • Deprived of polish. 

  • Not refined in manners or style 

  • Not polished; not brought to a polish. 

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