Strong's #5248: huperperisseuo (pronounced hoop-er-per-is-syoo'-o)
 from 5228 and 4052; to super-abound:--abound much more, exceeding.
Thayer's Greek Lexicon:
 ̔́ 
 
  huperperisseuō 
 
 1) to abound beyond measure, abound exceedingly
 2) to overflow, to enjoy abundantly
 
  Part of Speech: verb
Relation: from G5228 and G4052
  Citing in TDNT: 6:58, 828
 
Usage:
This word is used 2 times:
Romans 5:20: "sin abounded, grace  did much more abound:"
2 Corinthians 7:4: "you: I am filled with comfort,  I am exceeding joyful in all our"