These are some more that I found in the admin.php language file.

define("_AM_NEWBB_REORDERWEIGHT","Possition");
define("_AM_NEWBB_COPY_PERMISSIONS","Copy permisions from forum:");

define('_AM_NEWBB_AUTHOR_INFO', "Author Informations"); Grammar

define("_AM_NEWBB_GRPMGR_SYN_NOTE","Click 'Synchronize' for sychronizing newbb groups with XOOPS groups");

define("_AM_NEWBB_HTSMHNBRBITHBTWNLBAMOTF","However the selected moderator(s) have not be removed because if they had been there would no longer be any moderators on this forum."); Grammar

Poor the two non-English-Natived PPl

The best place to report those errors is on the tracker: http://dev.xoops.org/modules/xfmod/tracker/?group_id=1001