We'll create fresh WordPress site with Woo Button Text installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Woo Button Text Changer can change woocommerce button text globally. You can change button name from WordPress admin panel. and also change the color, shape , and styles also special of related product remove from single product page.
VIsit: http://www.exclutips.com/plugins/woo-button-text/
The following are other recommended plugin for Woo Button Text Changer.
Woo Commerce https://wordpress.org/plugins/woocommerce/