Linguistics Theoretical Linguistics / Grammar Semiotics 13 Syntax 12 Grammar, Comparative and general-Syntax 11 Artificial Intelligence 6 Artificial intelligence 6 Computational Linguistics 6 Computational linguistics 6 Grammar, Comparative and general-Phonology 6 Philosophy of Language 6 Phonology and Phonetics 6 Formal Languages and Automata Theory 5 Language and languages-Philosophy 5 Machine theory 5 Comparative Linguistics 4 Comparative linguistics 4 Computer science-Mathematics 3 Psycholinguistics 3 Psycholinguistics and Cognitive Lingusitics 3 Romance Languages 3 Romance languages 3 Ameri-Indian Languages 2 Balto-Slavic linguistic unity 2 Germanic Languages 2 Germanic languages 2 Greek 2 Greek language 2 Humanities 2 Humanities and Social Sciences 2