tr ' ' '\012' < brown_g.tag | grep 'FW' | wc 294 294 3743 tr ' ' '\012' < brown_g.tag | egrep '(FW\-N)|(FW-IN\+N)' | wc 126 126 1770 tr ' ' '\012' < brown_n.tag | grep 'FW' | wc 36 36 464 tr ' ' '\012' < brown_n.tag | egrep '(FW\-N)|(FW-IN\+N)' | wc 27 27 353
Thus in category G, 126/294 or 42.9% of foreign words are nouns, while in category N, 27/36 or 75% of foreign words are nouns.