User Registration WooCommerce
With this addon, you can integrate the popular WooCommerce plugin with the User Registration plugin. WooCommerce related information will now appear on this plugin’s account page to make things easier for users/customers to see and update. Also, the plugin allows the user to use the Billing and Shipping fields directly on the registration form. Drag and drop the WooCommerce Shipping and Billing fields on your registration form.
Similarly, You can include your registration form in your WooCommerce Checkout Page. Also, you can show the extra fields from your user registration form that do not exist in the WooCommerce registration form.