If you forgot your password, Cloudwords can send you an email with a new, temporary one that you can use to access your account.
To request your new temporary password, go to the sign in page and click the Forgot your password? Recover here link.
Alternatively, you can just go to the Reset Password page. At that page, you will just need to submit the email address that you use when you login to Cloudwords. After clicking Submit, Cloudwords will send you an email with instructions on how to proceed, together with a temporary password that you can use to access your account and choose a new password.