No, once you delete a Google account it can never be used again, by anyone (link).

I use a password manager (KeePass XC/DX) to track all of my accounts.

In your situation, I would update whatever accounts you do know about to the new email address you intend to use. Set Gmail to forward emails to this account too, and then stop using Gmail for everyday mail. Leave your Google account active for a year and see if any issues crop up.

Like the other guy said, there's no immediate need to delete the account. And someone else wont be able to pick the address up after you, if you do.

I'll probably leave google eventually, as well, but I don't intend to delete my account. The process of using google services less and less has been ongoing for years for me, and I will just use them less and less, until I no longer do at all.

Where email is concerned, I'll just have whatever my new email is pull in my mail from gmail for a while, and as I receive email concerning various accounts to my gmail, that's when I'll go in and change them over to use my new address so the old inbox gets less and less mail.

Then, eventually, when I haven't touched it for years, I might take the final step of actually deleting it. But probably not.

When I migrated emails last time, I setup my old email to automatically forward to the new email. Then on my new email, I setup an automatic label for any email that was addressed to the old address. Every week or two I'd review what was sent to it and either update the email address used or unsubscribe. Eventually it got to a level where I wasn't getting much at the old email anymore and finally deleted it.

Why delete the account? There's no harm is just leaving it and not using it anymore.

I took degoogling as an opportunity to review and purge a lot of accounts and actually hold myself to going through the GDPR data removal requests and all that. I refreshed passwords and emails of accounts I actually wanted to keep, and pretty much ditched the rest. If the account never made it into my password manager in the first place it clearly wasn’t very important, so it can bounce around cyberspace forever I guess.

99.99999% chance the answer is no. Not even Google is stupid enough to do that.

I setup a mail forward, and check the 'to' address to all incoming messages for about a year.

I have found, several years after deleting my Google accounts, that any accounts I missed, can be fixed with an email to support explaining I no longer have access to that gmail account. Sometimes I have to provide some understandable proof like an old purchase detail. The one or two accounts that didn't have good support to help, were no real loss to create a new account for.