save_post
Fires once a post has been saved.
WordPress File wp-includes/post.php
save_post_{$post->post_type}
Fires once a post has been saved.
transition_post_status
Fires when a post is transitioned from one status to another.
trash_post_comments
Fires before comments are sent to the Trash.
trashed_post
Fires after a post is sent to the Trash.
trashed_post_comments
Fires after comments are sent to the Trash.
unregistered_post_type
Fires after a post type was unregistered.
untrash_post
Fires before a post is restored from the Trash.
untrash_post_comments
Fires before comments are restored for a post from the Trash.
untrashed_post
Fires after a post is restored from the Trash.