Strong's #2538: kainotes (pronounced kahee-not'-ace)
 from 2537; renewal (figuratively):--newness.
Thayer's Greek Lexicon:
 ́ 
 
  kainotēs 
 
 1) newness
 
 1a) in the new state of life in which the Holy Spirit places us so as to produce a new state which is eternal life
 
  Part of Speech: noun feminine
Relation: from G2537
  Citing in TDNT: 3:450, 388
 
Usage:
This word is used 2 times:
Romans 6:4: "also should walk in  newness of life."
Romans 7:6: "that we should serve in  newness of spirit, and not"