Variation English language 26 Spoken English 10 Usage 7 Study and teaching 6 Dialects 5 Second language acquisition 4 Syntax 4 Genetics 3 Human genetics 3 Language 3 Language and languages 3 Lexicography 3 Linguistic change 3 Pronunciation by foreign speakers 3 Written English 3 Attitudes 2 Chinese language 2 Chinese students 2 Indigenous peoples 2 Languages in contact 2 Lexicology 2 Linguistics 2 Semantics 2 Social aspects 2 Student teachers 2 Training of 2 ABO system 1 Acquisition 1 Actinobacteria 1