Language and languages Study and teaching 452 Philosophy 360 Variation 146 Second language acquisition 136 Linguistics 121 Sociolinguistics 105 more ... English language 94 Grammar, Comparative and general 85 History 81 Political aspects 69 Language and culture 67 Origin 59 Language acquisition 56 Translating and interpreting 51 Sex differences 48 Languages 45 Language 43 Psycholinguistics 42 Social aspects 42 Linguistic change 40 Foreign speakers 38 Research 38 History and criticism 33 Semantics (Philosophy) 31 Communication 30 Computer-assisted instruction 30 Multilingualism 29 Semantics 29 Discourse analysis 28 less ...