415 aspect bantulanguages cognition comparative comparativeandgeneral congresses englishlanguage etc glossaries grammar indo-europeanlanguages iranianlanguages languageandlanguages linguisticuniversals mandarindialects minimalisttheory(linguistics) pg201 philosophy sapir-whorfhypothesis slaviclanguages syntax tense turkiclanguages unitedstates verb vocabularies wordfrequency