Dian Novita Universitas Muhammadiyah Sidoarjo dheenov@yahoo.com Abstract Using morphemes in English teaching and learning process is essential to increase the mastery of students‟ vocabulary. In the case, morphemes are the powerful aspects to build words. The article is intended to propose the importance of morphemes as one of linguistic approaches to help the learners figure out the meaning of unknown words by combining morpheme clues and context clues. In addition, it is expected that English teachers can apply the method in their teaching and learning process. Here, the method is divided into three phases: the instructional phase, the practice phase, and reviews and assess...