Acquisition 47 Langage et langues Language acquisition Language and languages 47 Langue seconde Second language acquisition 47 Study and teaching 41 Étude et enseignement 40 General 34 Langage 29 LANGUAGE ARTS & DISCIPLINES 28 FOREIGN LANGUAGE STUDY 27 Linguistics 19 Language Development 14 Alphabets & Writing Systems 12 Grammar & Punctuation 10 Spelling 10 Allophones 9 Foreign speakers 9 Multi-Language Phrasebooks 9 Readers 9 Fremdsprachenlernen 8 Psycholinguistics 8 Recherche 8 Research 8 Psychological aspects 7 Age factors 5 Facteurs liés à l'âge 5 Spracherwerb 5 Ability testing 4