errorous vs untoward

errorous

adj

  • Synonym of erroneous 

untoward

adj

  • Unseemly, improper. 

  • Unruly, troublesome; not easily guided. 

  • Unfavourable, adverse, or disadvantageous. 

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