able vs undecided

able

adj
  • Gifted with skill, intelligence, knowledge, or competence. 

  • Having the necessary powers or the needed resources to accomplish a task. 

  • Legally qualified or competent. 

  • Free from constraints preventing completion of task; permitted to; not prevented from. 

  • Capable of performing all the requisite duties; as an able seaman. 

noun
  • The letter "A" in Navy Phonetic Alphabet. 

undecided

noun
  • A voter etc. who has not yet come to a decision. 

adj
  • Uncommitted, not having reached a decision. 

  • Open and not yet settled or determined. 

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