aborted vs ineffectual

aborted

adj
  • Rendered abortive or sterile; undeveloped. 

  • Brought forth prematurely. 

  • Checked in normal development at an early stage. 

ineffectual

adj
  • Unable or insufficient to produce effect. 

  • Worthless; ineffective. 

  • Weak, indecisive; lacking forcefulness. 

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