Vocabulary English language 40 Study and teaching 24 Foreign speakers 18 Study and teaching (Higher) 15 Study and teaching (Secondary) 12 Second language acquisition 9 Language and languages 5 Semantics 4 Education effectiveness 3 Lexicology 3 Malay language 3 Malay speakers 3 Students 3 Study and teaching (Primary) 3 Ability testing 2 Arabic language 2 Chinese language 2 Computer games 2 Dissertations 2 Dissertations, Academic 2 Education 2 Educational technology 2 English 2 Language 2 Learning strategies 2 Reading comprehension 2 Study and teaching (Higher) Foreign speakers 2 Study skills 2 Word frequency 2