No, you cannot use the same email after deleting your Twitter account.
Yes, you can delete your Twitter account and start again. You will lose all of your tweets and followers but you can start from scratch.
Yes, you can make a new Twitter account with the same email.You can create a new Twitter account with the same email by going to https://twitter.com/signup and entering your desired username and password.After you have created your account, click on the gear icon in the top right corner of your profile page and select “Settings”.
Twitter emails are not re-usable. When you sign up for Twitter, you are required to provide an email address that is unique to your account. This means that you cannot use the same email address on two different accounts.
If you no longer have access to your old Twitter account and you’re not able to delete it, there are a few things that you can do. You can change your username and password, or create a new account with the same name as the old one. You can also try contacting Twitter Support for help.