The existence or absence of the synonymous words in holly Quran is among the issues discussed before and now by the scholars and the interpreters. The first hypothesis is on the absence of any synonymous word in Arabic language and specific word is specified for per meaning. Abo Helal Askari is the writer of valuable book titled (Moajam Al-frogh Fe Al- Loghah) in this field focused on the difference of the synonymous words. He tried to clarify the difference of the words having semantic proximity. The writers of the present article also tried to observe his perspective on synonymous words relying on the opinions of scholars and the interpreters to observe the compliance or incompliance of his vote with the owners of the interpretations. In this article which is done by relying on descriptive- analytical method ,clarified that in most of the cases ,the opinions of Abo Helal Askari is in compliance with the opinions of the scholars and the interpreters, but in some cases his vote on the difference between the words isn`t having any lexical and interpretative basis.