diff --git a/wp-admin/edit-comments.php b/wp-admin/edit-comments.php
index 152f97b01..506643b43 100644
--- a/wp-admin/edit-comments.php
+++ b/wp-admin/edit-comments.php
@@ -316,12 +316,12 @@ $page_links = paginate_links( array(
 <option value="approve"><?php _e('Approve'); ?></option>
 <?php endif; ?>
 <?php if ( 'all' == $comment_status || 'approved' == $comment_status || 'moderated' == $comment_status ): ?>
-<option value="spam"><?php _e('Mark as Spam'); ?></option>
+<option value="spam"><?php echo _x('Mark as Spam', 'comment'); ?></option>
 <?php endif; ?>
 <?php if ( 'trash' == $comment_status ): ?>
 <option value="untrash"><?php _e('Restore'); ?></option>
 <?php elseif ( 'spam' == $comment_status ): ?>
-<option value="unspam"><?php _e('Not Spam'); ?></option>
+<option value="unspam"><?php echo _x('Not Spam', 'comment'); ?></option>
 <?php endif; ?>
 <?php if ( 'trash' == $comment_status || 'spam' == $comment_status || !EMPTY_TRASH_DAYS ): ?>
 <option value="delete"><?php _e('Delete Permanently'); ?></option>
@@ -413,7 +413,7 @@ if ( $page_links )
 <option value="approve"><?php _e('Approve'); ?></option>
 <?php endif; ?>
 <?php if ( 'all' == $comment_status || 'approved' == $comment_status || 'moderated' == $comment_status ): ?>
-<option value="spam"><?php _e('Mark as Spam'); ?></option>
+<option value="spam"><?php echo _x('Mark as Spam', 'comment'); ?></option>
 <?php endif; ?>
 <?php if ( 'trash' == $comment_status ): ?>
 <option value="untrash"><?php _e('Restore'); ?></option>
@@ -421,7 +421,7 @@ if ( $page_links )
 <?php if ( 'trash' == $comment_status || 'spam' == $comment_status || !EMPTY_TRASH_DAYS ): ?>
 <option value="delete"><?php _e('Delete Permanently'); ?></option>
 <?php elseif ( 'spam' == $comment_status ): ?>
-<option value="unspam"><?php _e('Not Spam'); ?></option>
+<option value="unspam"><?php echo _x('Not Spam', 'comment'); ?></option>
 <?php else: ?>
 <option value="trash"><?php _e('Move to Trash'); ?></option>
 <?php endif; ?>
diff --git a/wp-admin/includes/dashboard.php b/wp-admin/includes/dashboard.php
index 50ad748c6..9fe795655 100644
--- a/wp-admin/includes/dashboard.php
+++ b/wp-admin/includes/dashboard.php
@@ -328,7 +328,7 @@ function wp_dashboard_right_now() {
 
 	// Spam Comments
 	$num = number_format_i18n($num_comm->spam);
-	$text = _n( 'Spam', 'Spam', $num_comm->spam );
+	$text = _nx( 'Spam', 'Spam', $num_comm->spam, 'comment' );
 	if ( current_user_can( 'moderate_comments' ) ) {
 		$num = "<a href='edit-comments.php?comment_status=spam'><span class='spam-count'>$num</span></a>";
 		$text = "<a class='spam' href='edit-comments.php?comment_status=spam'>$text</a>";
diff --git a/wp-admin/includes/template.php b/wp-admin/includes/template.php
index e46e0a5ca..92084ad04 100644
--- a/wp-admin/includes/template.php
+++ b/wp-admin/includes/template.php
@@ -2110,7 +2110,7 @@ function _wp_comment_row( $comment_id, $mode, $comment_status, $checkbox = true,
 					if ( 'spam' != $the_comment_status && 'trash' != $the_comment_status ) {
 						$actions['spam'] = "<a href='$spam_url' class='delete:the-comment-list:comment-$comment->comment_ID::spam=1 vim-s vim-destructive' title='" . esc_attr__( 'Mark this comment as spam' ) . "'>" . /* translators: mark as spam link */ _x( 'Spam', 'verb' ) . '</a>';
 					} elseif ( 'spam' == $the_comment_status ) {
-						$actions['unspam'] = "<a href='$unspam_url' class='delete:the-comment-list:comment-$comment->comment_ID:66cc66:unspam=1 vim-z vim-destructive'>" . __( 'Not Spam' ) . '</a>';
+						$actions['unspam'] = "<a href='$unspam_url' class='delete:the-comment-list:comment-$comment->comment_ID:66cc66:unspam=1 vim-z vim-destructive'>" . _x( 'Not Spam', 'comment' ) . '</a>';
 					} elseif ( 'trash' == $the_comment_status ) {
 						$actions['untrash'] = "<a href='$untrash_url' class='delete:the-comment-list:comment-$comment->comment_ID:66cc66:untrash=1 vim-z vim-destructive'>" . __( 'Restore' ) . '</a>';
 					}
diff --git a/wp-admin/ms-sites.php b/wp-admin/ms-sites.php
index 311e75a2d..89078314e 100644
--- a/wp-admin/ms-sites.php
+++ b/wp-admin/ms-sites.php
@@ -113,7 +113,7 @@ switch ( $action ) {
 							<?php } ?>
 						</tr>
 						<tr class="form-field">
-							<th scope="row"><?php _e( 'Registered') ?></th>
+							<th scope="row"><?php echo _x( 'Registered', 'site' ) ?></th>
 							<td><input name="blog[registered]" type="text" id="blog_registered" value="<?php echo esc_attr( $details->registered ) ?>" size="40" /></td>
 						</tr>
 						<tr class="form-field">
@@ -124,7 +124,7 @@ switch ( $action ) {
 						$radio_fields = array( 'public' => __( 'Public' ) );
 						if ( ! $is_main_site ) {
 							$radio_fields['archived'] = __( 'Archived' );
-							$radio_fields['spam']     = __( 'Spam' );
+							$radio_fields['spam']     = _x( 'Spam', 'site' );
 							$radio_fields['deleted']  = __( 'Deleted' );
 						}
 						$radio_fields['mature'] = __( 'Mature' );
@@ -414,8 +414,8 @@ switch ( $action ) {
 			<select name="action">
 				<option value="-1" selected="selected"><?php _e( 'Bulk Actions' ); ?></option>
 				<option value="delete"><?php _e( 'Delete' ); ?></option>
-				<option value="spam"><?php _e( 'Mark as Spam' ); ?></option>
-				<option value="notspam"><?php _e( 'Not Spam' ); ?></option>
+				<option value="spam"><?php echo _x( 'Mark as Spam', 'site' ); ?></option>
+				<option value="notspam"><?php echo _x( 'Not Spam', 'site' ); ?></option>
 			</select>
 			<input type="submit" value="<?php esc_attr_e( 'Apply' ); ?>" name="doaction" id="doaction" class="button-secondary action" />
 			<?php wp_nonce_field( 'bulk-ms-sites' ); ?>
@@ -448,7 +448,7 @@ switch ( $action ) {
 			'id'           => __( 'ID' ),
 			'blogname'     => $blogname_columns,
 			'lastupdated'  => __( 'Last Updated'),
-			'registered'   => __( 'Registered' ),
+			'registered'   => _x( 'Registered', 'site' ),
 			'users'        => __( 'Users' )
 		);
 
@@ -489,7 +489,7 @@ switch ( $action ) {
 			</tfoot>
 			<tbody id="the-site-list" class="list:site">
 			<?php
-			$status_list = array( 'archived' => array( 'site-archived', __( 'Archived' ) ), 'spam' => array( 'site-spammed', __( 'Spam' ) ), 'deleted' => array( 'site-deleted', __( 'Deleted' ) ), 'mature' => array( 'site-mature', __( 'Mature' ) ) );
+			$status_list = array( 'archived' => array( 'site-archived', __( 'Archived' ) ), 'spam' => array( 'site-spammed', _x( 'Spam', 'site' ) ), 'deleted' => array( 'site-deleted', __( 'Deleted' ) ), 'mature' => array( 'site-mature', __( 'Mature' ) ) );
 			if ( $blog_list ) {
 				$class = '';
 				foreach ( $blog_list as $blog ) {
@@ -534,7 +534,7 @@ switch ( $action ) {
 									<a href="<?php echo esc_url( admin_url( 'ms-sites.php?action=editblog&amp;id=' . $blog['blog_id'] ) ); ?>" class="edit"><?php echo $blogname . $blog_state; ?></a>
 									<?php
 									if ( 'list' != $mode )
-										echo '<p>' . sprintf( _x( '%1$s &#8211; <em>%2$s', '%1$s: site name. %2$s: site tagline.' ), get_blog_option( $blog['blog_id'], 'blogname' ), get_blog_option( $blog['blog_id'], 'blogdescription ' ) ) . '</em></p>';
+										echo '<p>' . sprintf( _x( '%1$s &#8211; <em>%2$s</em>', '%1$s: site name. %2$s: site tagline.' ), get_blog_option( $blog['blog_id'], 'blogname' ), get_blog_option( $blog['blog_id'], 'blogdescription ' ) ) . '</p>';
 
 									// Preordered.
 									$actions = array(
@@ -557,12 +557,12 @@ switch ( $action ) {
 										if ( get_blog_status( $blog['blog_id'], 'archived' ) == '1' )
 											$actions['unarchive']	= '<span class="archive"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=unarchiveblog&amp;id=' .  $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to unarchive the site %s.' ), $blogname ) ) ) ) . '">' . __( 'Unarchive' ) . '</a></span>';
 										else
-											$actions['archive']	= '<span class="archive"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=archiveblog&amp;id=' . $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to archive the site %s.' ), $blogname ) ) ) ) . '">' . __( 'Archive' ) . '</a></span>';
+											$actions['archive']	= '<span class="archive"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=archiveblog&amp;id=' . $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to archive the site %s.' ), $blogname ) ) ) ) . '">' . _x( 'Archive', 'verb; site' ) . '</a></span>';
 
 										if ( get_blog_status( $blog['blog_id'], 'spam' ) == '1' )
-											$actions['unspam']	= '<span class="spam"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=unspamblog&amp;id=' . $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to unspam the site %s.' ), $blogname ) ) ) ) . '">' . __( 'Not Spam' ) . '</a></span>';
+											$actions['unspam']	= '<span class="spam"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=unspamblog&amp;id=' . $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to unspam the site %s.' ), $blogname ) ) ) ) . '">' . _x( 'Not Spam', 'site' ) . '</a></span>';
 										else
-											$actions['spam']	= '<span class="spam"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=spamblog&amp;id=' . $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to mark the site %s as spam.' ), $blogname ) ) ) ) . '">' . __( 'Spam' ) . '</a></span>';
+											$actions['spam']	= '<span class="spam"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=spamblog&amp;id=' . $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to mark the site %s as spam.' ), $blogname ) ) ) ) . '">' . _x( 'Spam', 'site' ) . '</a></span>';
 
 										$actions['delete']	= '<span class="delete"><a href="' . esc_url( admin_url( 'ms-edit.php?action=confirm&amp;action2=deleteblog&amp;id=' . $blog['blog_id'] . '&amp;msg=' . urlencode( sprintf( __( 'You are about to delete the site %s.' ), $blogname ) ) ) ) . '">' . __( 'Delete' ) . '</a></span>';
 									}
@@ -665,8 +665,8 @@ switch ( $action ) {
 			<select name="action2">
 				<option value="-1" selected="selected"><?php _e( 'Bulk Actions' ); ?></option>
 				<option value="delete"><?php _e( 'Delete' ); ?></option>
-				<option value="spam"><?php _e( 'Mark as Spam' ); ?></option>
-				<option value="notspam"><?php _e( 'Not Spam' ); ?></option>
+				<option value="spam"><?php echo _x( 'Mark as Spam', 'site' ); ?></option>
+				<option value="notspam"><?php echo _x( 'Not Spam', 'site' ); ?></option>
 			</select>
 			<input type="submit" value="<?php esc_attr_e( 'Apply' ); ?>" name="doaction2" id="doaction2" class="button-secondary action" />
 			</div>
diff --git a/wp-admin/ms-users.php b/wp-admin/ms-users.php
index 8a427f222..bf38934a1 100644
--- a/wp-admin/ms-users.php
+++ b/wp-admin/ms-users.php
@@ -130,8 +130,8 @@ if ( isset( $_GET['updated'] ) && $_GET['updated'] == 'true' && ! empty( $_GET['
 				<select name="action">
 					<option value="-1" selected="selected"><?php _e( 'Bulk Actions' ); ?></option>
 					<option value="delete"><?php _e( 'Delete' ); ?></option>
-					<option value="spam"><?php _e( 'Mark as Spam' ); ?></option>
-					<option value="notspam"><?php _e( 'Not Spam' ); ?></option>
+					<option value="spam"><?php echo _x( 'Mark as Spam', 'user' ); ?></option>
+					<option value="notspam"><?php echo _x( 'Not Spam', 'user' ); ?></option>
 				</select>
 				<input type="submit" value="<?php esc_attr_e( 'Apply' ); ?>" name="doaction" id="doaction" class="button-secondary action" />
 				<?php wp_nonce_field( 'bulk-ms-users' ); ?>
@@ -162,7 +162,7 @@ if ( isset( $_GET['updated'] ) && $_GET['updated'] == 'true' && ! empty( $_GET['
 			'login'      => __( 'Username' ),
 			'name'       => __( 'Name' ),
 			'email'      => __( 'E-mail' ),
-			'registered' => __( 'Registered' ),
+			'registered' => _x( 'Registered', 'user' ),
 			'blogs'      => __( 'Sites' )
 		);
 		$users_columns = apply_filters( 'wpmu_users_columns', $users_columns );
@@ -324,8 +324,8 @@ if ( isset( $_GET['updated'] ) && $_GET['updated'] == 'true' && ! empty( $_GET['
 				<select name="action2">
 					<option value="-1" selected="selected"><?php _e( 'Bulk Actions' ); ?></option>
 					<option value="delete"><?php _e( 'Delete' ); ?></option>
-					<option value="spam"><?php _e( 'Mark as Spam' ); ?></option>
-					<option value="notspam"><?php _e( 'Not Spam' ); ?></option>
+					<option value="spam"><?php echo _x( 'Mark as Spam', 'user' ); ?></option>
+					<option value="notspam"><?php echo _x( 'Not Spam', 'user' ); ?></option>
 				</select>
 				<input type="submit" value="<?php esc_attr_e( 'Apply' ); ?>" name="doaction2" id="doaction2" class="button-secondary action" />
 			</div>