Hi vindesign_it,
Thanks for reaching to us.
+ In order to change / translate words. Please make sure you synced the strings first before changing / translating WooCommerce, WoodMart Core plugins and WoodMart theme. You can refer to article
https://xtemos.com/docs-topic/theme-translation/
https://xtemos.com/docs-topic/how-to-make-woodmart-multilingual-with-wpml/
+ You are also need to select the language for the backend and theme settings for admin from the admin user profile, please edit the user’s profile and then select the language for that user it will show the same on the backend.
+ Some strings related to Wishlist / Compare / Login & Register page, you can change in Theme Settings > Shop or Theme Settings > My account https://prnt.sc/W8Tt95stG3YC
+ The Email templates functionality is related to WooCommerce so our theme cannot influent it. Try to find some plugins for customizing such templates.
https://woocommerce.com/posts/how-to-customize-emails-in-woocommerce/
In the meantime, feel free to ask me any questions you may have.
Regards,