“…Many scholars, such as Nation (1990) and Schmitt (2000), claim that vocabulary plays a top role in the language proficiency of students. In the context of reading, for example, L2 readers need an English vocabulary of between 2000 and 7000 words (Nation, 1990;Swaffar, 1988). Meanwhile for academic coursework, they need more, around 5000 to 7000 words in order to "survive" (Grabe, 1991).…”