1. Introduction
In the era of globalization that continues to grow rapidly, mastery of foreign languages is
one of the important skills needed in various aspects of life, both in the context of education,
work, and social interaction (Ni’mah, 2017). Arabic, as one of the languages with profound
historical, cultural, and religious significance, has become the focus of attention of many
language education researchers and practitioners around the world. This language is not only
used in the context of Islam but also plays an important role in diplomatic, trade, and cultural
relations in various parts of the world (Abusyairy et al., 2020).
As a Semitic language that has a distinctive grammatical structure and vocabulary, Arabic
requires a structured and comprehensive learning approach (Baso et al., 2016). Vocabulary
mastery is one of the key elements in language learning that is often the focal point in various
language teaching methods. In the context of Arabic, vocabulary includes a number of terms that
are not only different from other languages but also often have specific meanings and nuances
according to the context in which they are used (Kasmiati et al., 2022). Therefore, the ability to
master Arabic vocabulary not only affects language comprehension but also has a direct impact
on speaking ability.
Speaking is one of the key skills in language learning that is often the main indicator of
successful language mastery. The ability to speak in Arabic involves correct grammar
understanding, adequate vocabulary mastery, and the ability to communicate fluently and
effectively in a variety of situations (Hendri, 2017). In other words, a person who is able to speak
Arabic well must be able to use the right and relevant vocabulary according to the context of the
conversation. Therefore, it is important to understand the correlation between vocabulary
mastery and speaking ability in Arabic to design more effective learning strategies, so in this case
the importance of vocabulary mastery in language learning (Jabir & Diran, 2020).
Vocabulary is a fundamental element in language learning, which functions as a basic unit
in the communication process. Without adequate vocabulary mastery, a person will have
difficulty understanding and using language effectively (Nurlaila Sapitri, 2023). In the context of
Arabic, vocabulary includes a variety of categories, including nouns, verbs, adjectives, and
special terms that are often used in everyday situations. Mastery of a broad vocabulary allows
learners to understand the meaning of words and phrases in a broader context, so they can
communicate more smoothly and precisely Minatullah, 2019.
This is in line with research conducted by (Abusyairy et al., 2020) The results of the study
showed that there was a correlation in the "very strong" category between mastery of Arabic
vocabulary and Arabic speaking skills, as evidenced by the analysis of hypothesis tests with the
product moment correlation formula, which obtained a significance value of 0.000 < 0.05 and a
Pearson correlation value of 0.926 included in the category of very strong correlation. And the
average value of Arabic vocabulary mastery of students = 81 and the average value of Arabic
speaking skills of students = 80 which means the mastery of Arabic vocabulary and Arabic
speaking skills of grade XII students of SMK Muhammadiyah Loa Janan in the Good category.
Other similar research conducted by (Kasmiati et al., 2022) The results of his research show that
Sig. The t value is 0.00 < 0.05 and the t is 22.572 > t table 1.672. From the results of the above
analysis, it can be concluded that vocabulary mastery has a significant effect on Insyā's ability.
This shows that the better the mastery of the mufrodāt of the student, the better the ability to
write Insya'.
Previous research shows that there is a significant relationship between vocabulary mastery
and the ability to speak in the target language. This also applies to learning Arabic, where
mastering a wide vocabulary can enrich a person's speaking skills by increasing fluency and
accuracy in communicating.