imperfectly vs partwise

imperfectly

adv

  • In an imperfect manner or degree; not fully or completely. 

partwise

adv

  • Partly. 

  • With respect to each part of something. 

adj

  • True with respect to each part of something. 

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