Hello, no they won’t be deleted, but you won’t be able to add new ones and to use other pro features. But if you subscribe to pro in the future, all your previously saved words will still be there.
Happy learning 
Hello, no they won’t be deleted, but you won’t be able to add new ones and to use other pro features. But if you subscribe to pro in the future, all your previously saved words will still be there.
Happy learning