Vocabulary English language 41 Study and teaching 30 Arabic language 27 Study and teaching (Secondary) 26 Foreign speakers 25 Study and teaching (Higher) 16 Malay language 10 Second language acquisition 10 Dissertations 7 Dissertations, Academic 7 Study and teaching (Primary) 7 Language 6 Language and languages 6 Semantics 5 Ability testing 4 Malay speakers 4 Students 4 Computer games 3 Education effectiveness 3 Lexicology 3 Word formation 3 Word frequency 3 Writing 3 رسالة جامعية 3 Chinese language 2 Education 2 Educational technology 2 English 2 Etymology 2