WordPress 4.4 Labels

post-type-labels.php

<?php
$labels = array(
  'name'                  => _x( '__POST__s', 'post type general name', 'steel' ),
  'singular_name'         => _x( '__POST__', 'post type singular name', 'steel' ),
  'menu_name'             => __( '__MENU__', 'steel' ),
  'name_admin_bar'        => __( '__POST__s', 'steel' ),
  'add_new'               => __( 'Add New', 'steel' ),
  'add_new_item'          => __( 'Add New __POST__', 'steel' ),
  'edit_item'             => __( 'Edit __POST__', 'steel' ),
  'new_item'              => __( 'New __POST__', 'steel' ),
  'view_item'             => __( 'View __POST__', 'steel' ),
  'update_item'           => __( 'Update', 'steel' ),
  'search_items'          => __( 'Search __POST__s', 'steel' ),
  'not_found'             => __( 'No __post__s found.', 'steel' ),
  'not_found_in_trash'    => __( 'No __post__s found in Trash.', 'steel' ),
  'all_items'             => __( 'All __POST__s', 'steel' ),
  'archives'              => __( '__POST__ Archives', 'steel' ),
  'insert_into_item'      => __( 'Insert into __post__', 'steel' ),
  'uploaded_to_this_item' => __( 'Uploaded to this __post__', 'steel' ),
  'featured_image'        => __( 'Featured Image', 'steel' ),
  'set_featured_image'    => __( 'Set featured image', 'steel' ),
  'remove_featured_image' => __( 'Remove featured image', 'steel' ),
  'use_featured_image'    => __( 'Use as featured image', 'steel' ),
  'filter_items_list'     => __( 'Filter __post__s list', 'steel' ),
  'items_list_navigation' => __( '__POST__s list navigation', 'steel' ),
  'items_list'            => __( '__POST__s list', 'steel' ),
);

taxonomy-cat-labels.php

<?php
$labels = array(
  'name'                  => _x( '__TERM__s', 'taxonomy general name', 'steel' ),
  'singular_name'         => _x( '__TERM__', 'taxonomy singular name', 'steel' ),
  'menu_name'             => __( '__TERM__', 'steel' ),
  'search_items'          => __( 'Search __TERM__s', 'steel' ),
  'all_items'             => __( 'All __TERM__s', 'steel' ),
  'parent_item'           => __( 'Parent __TERM__', 'steel' ),
  'parent_item_colon'     => __( 'Parent __TERM__:', 'steel' ),
  'edit_item'             => __( 'Edit __TERM__', 'steel' ),
  'view_item'             => __( 'View __TERM__', 'steel' ),
  'update_item'           => __( 'Update __TERM__', 'steel' ),
  'add_new_item'          => __( 'Add New __TERM__', 'steel' ),
  'new_item_name'         => __( 'New __TERM__ Name', 'steel' ),
  'not_found'             => __( 'No __term__s found.', 'steel' ),
  'no_terms'              => __( 'No __term__s', 'steel' ),
  'items_list_navigation' => __( '__TERM__s list navigation', 'steel' ),
  'items_list'            => __( '__TERM__s list', 'steel' ),
);

taxonomy-tag-labels.php

<?php
$labels = array(
  'name'                       => _x( '__TERM__s', 'taxonomy general name', 'steel' ),
  'singular_name'              => _x( '__TERM__', 'taxonomy singular name', 'steel' ),
  'menu_name'                  => __( '__TERM__s', 'steel' ),
  'search_items'               => __( 'Search __TERM__s', 'steel' ),
  'popular_items'              => __( 'Popular __TERM__s', 'steel' ),
  'all_items'                  => __( 'All __TERM__s', 'steel' ),
  'edit_item'                  => __( 'Edit __TERM__', 'steel' ),
  'view_item'                  => __( 'View __TERM__', 'steel' ),
  'update_item'                => __( 'Update __TERM__', 'steel' ),
  'add_new_item'               => __( 'Add New __TERM__', 'steel' ),
  'new_item_name'              => __( 'New __TERM__ Name', 'steel' ),
  'separate_items_with_commas' => __( 'Separate __term__s with commas' ),
  'add_or_remove_items'        => __( 'Add or remove __term__s' ),
  'choose_from_most_used'      => __( 'Choose from the most used __term__s' ),
  'not_found'                  => __( 'No __term__s found.', 'steel' ),
  'no_terms'                   => __( 'No __term__s', 'steel' ),
  'items_list_navigation'      => __( '__TERM__s list navigation', 'steel' ),
  'items_list'                 => __( '__TERM__s list', 'steel' ),
);