This research is motivated by the large number of Arabic vocabularies that are
borrowed into Indonesian, and all the native words keep original. There are changes
that occur according to the Indonesian language system. These words are commonly
used in daily life by people. However, people have not used it properly. The use of
the correct vocabulary is related to learning Arabic at school, especially at the
Madrasah Ibtidayah (MI/ Elementary School) level as a beginner in learning Arabic.
The purpose of this study is to describe how the forms of sound change in Arabic into
Indonesian. This research approach is a qualitative approach, and the type is literature
research and data analysis used using the theory of Milles and Huberman. The source
of this research is Arabic vocabulary textbooks at the MI level written by Agus
Wahyudi and Sunaryo Putra who are taught in Tanah Laut district. The results of this
study show that there were forms of sound change are: (1) lenisi as many as 10 words
(2) reduction as many as 8 words, (3) Apharesis as much as 3 words (4) Apokope as
much as 2 words (5) syncope as much as 48 words (6) sound reinforcement of 6
words (7) 2 words of sound relaxation (8) 6 words of epenthesis (9) 3 words of
paragog (10) 2 words of dissimilation and (11) 1 word of metathesis.