Strong's #1677: ellogeo (pronounced el-log-eh'-o)
 from 1722 and 3056 (in the sense of account); to reckon in, i.e. attribute:--impute, put on account.
Thayer's Greek Lexicon:
 ̓́ 
 
  ellogeō 
 
 1) to reckon in, set to one' s account, lay to one' s charge, impute
 
  Part of Speech: verb
Relation: from G1722 and G3056 (in the sense of account)
  Citing in TDNT: 2:516, 229
 
Usage:
This word is used 2 times:
Romans 5:13: "but sin is not  imputed when there is no law."
Philemon 1:18: "or oweth thee aught,  put that on mine account;"