grammar English language 58 German language 43 lexicology 20 Czech language 13 French language 8 grammar 7 more ... spelling 7 teaching aids 6 Spanish language 6 written texts 5 speech 5 Italian language 4 linguistics 4 syntax 4 computer linguistics 4 stylistics 4 artificial intelligence 4 Czech language 3 informatics 3 konverzace 3 mathematical logic 3 Russian language 3 čeština jako cizí jazyk 3 German language 2 Spanish language 2 formal languages 2 language culture 2 professional style 2 robotics 2 less ...