If Google Play says your developer account is associated with a previously terminated account, Google has linked you to an account it already closed, and under its policy any related account is terminated too. Your one route back is a single appeal through Google's form, filed within 180 days of the termination email.
Do not open a new account while you wait. Google's help pages say any new account you try to open will be terminated as well, and the $25 registration fee will not be refunded. This guide covers what the message means, what Google does and doesn't say about it, and how to appeal.
What 'associated with a terminated account' means
Google's help page on account terminations says that if an account was terminated for breaking the Developer Distribution Agreement, Google can no longer accept apps from that developer, and any related Google Play developer accounts are also terminated.…