Quote Originally Posted by N

Not at all. In Russian it can be пашто, пушту, пашту and maybe others. Type them in here - http://slovari.yandex.ru/search.xml?text=пашто
Not at all. In modern and correct Russian it is Пушту. Period

The Brokhaus Encyclopedia, published in early 1910s, and the Literary Dictionary, published in 1920s by some crackheds who use the падонки-style spelling (Авганистан - doh!), are no authority on the present-day spelling.