The article focuses on differences between phonological parallelism and phonetic parallel structure in the Azerbaijan and English languages. It analyzes how similar and different ways are possible in these notions. On the other hand, it also deals with the linguopoetic features of phonological and phonetic units in Azerbaijani and English. In order to differentiate these notions a closer insight to phonological parallelism is notably important. And sound patterning, rhythm and alliteration are noted as the main types of phonological parallelism. In the article these types of phonological parallelism have been illustrated with poetical samples of the stated languages. In order to learn linguopoetic features of phonological parallelism literary texts concerning on the types of phonological parallelism have been widely investigated. In this article, we outline our attempts to address the question of the differences and similarities of phonetic and phonological parallelism in both languages using quantitative methods.