diff --git a/core/includes/batch.inc b/core/includes/batch.inc
index ff0b4cb..6ff220b 100644
--- a/core/includes/batch.inc
+++ b/core/includes/batch.inc
@@ -356,7 +356,7 @@ function _batch_api_percentage($total, $current) {
     $percentage = "100";
   }
   else {
-    // We add a new digit at 200, 2000, etc. (since, for example, 199/200
+    // We add a digit at 200, 2000, etc. (since, for example, 199/200
     // would round up to 100% if we didn't).
     $decimal_places = max(0, floor(log10($total / 2.0)) - 1);
     do {
diff --git a/core/modules/comment/comment.module b/core/modules/comment/comment.module
index df0a33a..98d1f03 100644
--- a/core/modules/comment/comment.module
+++ b/core/modules/comment/comment.module
@@ -685,7 +685,7 @@ function comment_node_view(Node $node, $view_mode) {
           $links['comment-add'] = array(
             'title' => t('Add new comment'),
             'href' => "node/$node->nid",
-            'attributes' => array('title' => t('Add a new comment to this page.')),
+            'attributes' => array('title' => t('Add a comment to this page.')),
             'fragment' => 'comment-form',
           );
           if ($comment_form_location == COMMENT_FORM_SEPARATE_PAGE) {
@@ -712,7 +712,7 @@ function comment_node_view(Node $node, $view_mode) {
           // if there are existing comments that the link will skip past.
           if ($comment_form_location == COMMENT_FORM_SEPARATE_PAGE || (!empty($node->comment_count) && user_access('access comments'))) {
             $links['comment-add'] = array(
-              'title' => t('Add new comment'),
+              'title' => t('Add comment'),
               'attributes' => array('title' => t('Share your thoughts and opinions related to this posting.')),
               'href' => "node/$node->nid",
               'fragment' => 'comment-form',
diff --git a/core/modules/file/file.field.inc b/core/modules/file/file.field.inc
index 28a32a9..de7c23b 100644
--- a/core/modules/file/file.field.inc
+++ b/core/modules/file/file.field.inc
@@ -444,7 +444,7 @@ function file_field_widget_form(&$form, &$form_state, $field, $instance, $langco
     // Add some properties that will eventually be added to the file upload
     // field. These are added here so that they may be referenced easily through
     // a hook_form_alter().
-    $elements['#file_upload_title'] = t('Add a new file');
+    $elements['#file_upload_title'] = t('Add a file');
     $elements['#file_upload_description'] = theme('file_upload_help', array('description' => '', 'upload_validators' => $elements[0]['#upload_validators']));
   }
 
diff --git a/core/modules/image/image.admin.inc b/core/modules/image/image.admin.inc
index a2d86af..38493b2 100644
--- a/core/modules/image/image.admin.inc
+++ b/core/modules/image/image.admin.inc
@@ -626,7 +626,7 @@ function theme_image_style_list($variables) {
   if (empty($rows)) {
     $rows[] = array(array(
       'colspan' => 4,
-      'data' => t('There are currently no styles. <a href="!url">Add a new one</a>.', array('!url' => url('admin/config/media/image-styles/add'))),
+      'data' => t('There are currently no styles. <a href="!url">Add one</a>.', array('!url' => url('admin/config/media/image-styles/add'))),
     ));
   }
 
diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index 9861931..ef812b2 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -56,7 +56,7 @@ function image_help($path, $arg) {
       $output .= '<li>' . t('Describing its appearance: eg. <em>square-85x85</em>') . '</li></ul>';
       $output .=  t('After you create an image style, you can add effects: crop, scale, resize, rotate, and desaturate (other contributed modules provide additional effects). For example, by combining effects as crop, scale, and desaturate, you can create square, grayscale thumbnails.') . '<dd>';
       $output .= '<dt>' . t('Attaching images to content as fields') . '</dt>';
-      $output .= '<dd>' . t("Image module also allows you to attach images to content as fields. To add an image field to a <a href='@content-type'>content type</a>, go to the content type's <em>manage fields</em> page, and add a new field of type <em>Image</em>. Attaching images to content this way allows image styles to be applied and maintained, and also allows you more flexibility when theming.", array('@content-type' => url('admin/structure/types'))) . '</dd>';
+      $output .= '<dd>' . t("Image module also allows you to attach images to content as fields. To add an image field to a <a href='@content-type'>content type</a>, go to the content type's <em>manage fields</em> page, and add a field of type <em>Image</em>. Attaching images to content this way allows image styles to be applied and maintained, and also allows you more flexibility when theming.", array('@content-type' => url('admin/structure/types'))) . '</dd>';
       $output .= '</dl>';
       return $output;
     case 'admin/config/media/image-styles':
@@ -116,7 +116,7 @@ function image_menu() {
   );
   $items['admin/config/media/image-styles/add'] = array(
     'title' => 'Add style',
-    'description' => 'Add a new image style.',
+    'description' => t('Add an image style.'),
     'page callback' => 'drupal_get_form',
     'page arguments' => array('image_style_add_form'),
     'access arguments' => array('administer image styles'),
@@ -161,7 +161,7 @@ function image_menu() {
   );
   $items['admin/config/media/image-styles/edit/%image_style/add/%image_effect_definition'] = array(
     'title' => 'Add image effect',
-    'description' => 'Add a new effect to a style.',
+    'description' => t('Add an effect to a style.'),
     'load arguments' => array(5),
     'page callback' => 'drupal_get_form',
     'page arguments' => array('image_effect_form', 5, 7),
diff --git a/core/modules/language/lib/Drupal/language/Tests/LanguageListTest.php b/core/modules/language/lib/Drupal/language/Tests/LanguageListTest.php
index 54a5f0e..658a543 100644
--- a/core/modules/language/lib/Drupal/language/Tests/LanguageListTest.php
+++ b/core/modules/language/lib/Drupal/language/Tests/LanguageListTest.php
@@ -136,7 +136,7 @@ function testLanguageList() {
     $this->assertEqual(variable_get('language_count', 1), count($languages), 'Language count is correct.');
 
     // Ensure we can delete the English language. Right now English is the only
-    // language so we must add a new language and make it the default before
+    // language so we must add a language and make it the default before
     // deleting English.
     $langcode = 'xx';
     $name = $this->randomName(16);
diff --git a/core/modules/node/node.pages.inc b/core/modules/node/node.pages.inc
index a3afa7f..976b2a0 100644
--- a/core/modules/node/node.pages.inc
+++ b/core/modules/node/node.pages.inc
@@ -82,7 +82,7 @@ function theme_node_add_list($variables) {
     $output .= '</dl>';
   }
   else {
-    $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a new content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';
+    $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';
   }
   return $output;
 }
diff --git a/core/modules/poll/lib/Drupal/poll/Tests/PollCreateTest.php b/core/modules/poll/lib/Drupal/poll/Tests/PollCreateTest.php
index 0618ce1..b971710 100644
--- a/core/modules/poll/lib/Drupal/poll/Tests/PollCreateTest.php
+++ b/core/modules/poll/lib/Drupal/poll/Tests/PollCreateTest.php
@@ -36,7 +36,7 @@ function testPollCreate() {
     $this->clickLink($title);
     $this->assertText('Total votes: 0', 'Link to poll correct.');
 
-    // Now add a new option to make sure that when we update the node the
+    // Now add an option to make sure that when we update the node the
     // option is displayed.
     $node = node_load($poll_nid);
 
diff --git a/core/modules/system/system.api.php b/core/modules/system/system.api.php
index a9a2e17..96cf72e 100644
--- a/core/modules/system/system.api.php
+++ b/core/modules/system/system.api.php
@@ -2787,7 +2787,7 @@ function hook_install() {
  * Perform a single update.
  *
  * For each change that requires one or more actions to be performed when
- * updating a site, add a new hook_update_N(), which will be called by
+ * updating a site, add a hook_update_N(), which will be called by
  * update.php. The documentation block preceding this function is stripped of
  * newlines and used as the description for the update on the pending updates
  * task list. Schema updates should adhere to the
diff --git a/core/modules/user/user.admin.inc b/core/modules/user/user.admin.inc
index 396f4c0..bf4c3ad 100644
--- a/core/modules/user/user.admin.inc
+++ b/core/modules/user/user.admin.inc
@@ -863,7 +863,7 @@ function theme_user_permission_description($variables) {
 }
 
 /**
- * Form to re-order roles or add a new one.
+ * Form to re-order roles or add one.
  *
  * @ingroup forms
  * @see theme_user_admin_roles()
diff --git a/core/themes/seven/template.php b/core/themes/seven/template.php
index a8643ab..6eddf09 100644
--- a/core/themes/seven/template.php
+++ b/core/themes/seven/template.php
@@ -54,7 +54,7 @@ function seven_node_add_list($variables) {
     $output .= '</ul>';
   }
   else {
-    $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a new content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';
+    $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';
   }
   return $output;
 }