Here are some common URLs in WordPress that you might want to disallow from search engines in your robots.txt file:
wp-admin: Disallow access to the WordPress admin area.
Disallow: /wp-admin/
wp-includes: Disallow access to core WordPress files.
Disallow: /wp-includes/
wp-content/plugins: Disallow access to plugins directory.
Disallow: /wp-content/plugins/
wp-content/themes: Disallow access to themes directory.
Disallow: /wp-content/themes/
wp-content/uploads: Disallow access to uploaded files.
Disallow: /wp-content/uploads/
search: Disallow access to WordPress search results.
Disallow: /?s=
author archives: Disallow access to author archives.
Disallow: /author/
trackback: Disallow access to trackbacks.
Disallow: /trackback/
comment feeds: Disallow access to comment feeds.
Disallow: /comments/feed/
login/register pages: Disallow access to login and registration pages.
Disallow: /wp-login.php
Disallow: /wp-register.php
Remember to adjust this list based on your specific WordPress installation and any custom directories or URLs you may have. Additionally, always test your robots.txt file after making changes to ensure it’s working as expected.