This research presents, among its pages, a study of some words that appear twice in the Holy Quran, with one root and in one form, and an explanation of some of the semantic aspects in which these words appear. The research consisted of three paragraphs preceded by an introduction to each paragraph. The first: semantic differences, in which we differentiate between words and other words that are close in meaning. We explained the semantic differences between the two words and explained the relationship between those words, as in the words (furniture - belongings), for example, and we discussed a group of these words; It will be mentioned in its place. The second: Words that are said to be Arabized and appear in the Holy Quran, so we have explained what is Arabized. Among these words, for example, is the word (Awah, the coffin) and others that will be mentioned later. The third: Words mentioned in the Holy Quran in the meaning of touching, such as the word touch, and others. We will explain the meanings of these words during this research.