Besides .google there's also .goog though.

    $ whois goog
    % IANA WHOIS server
    % for more information on IANA, visit http://www.iana.org
    % This query returned 1 object
    
    domain:       GOOG
    
    organisation: Charleston Road Registry Inc.
    address:      1600 Amphitheatre Parkway Mountain View, CA 94043 US
    address:      United States
    
    contact:      administrative
    name:         Domains Policy and Compliance
    organisation: Google Inc
    address:      601 N. 34th Street
    address:      Seattle, WA 98103
    address:      United States
    phone:        1 202 642 2325
    fax-no:       1 650 492 5631
    e-mail:       iana-contact@google.com

Google also own .new which seems like the sort of ridiculously expensive experiment only one of the big startups with cash to burn would do. It allows you to type docs.new or sheets.new (etc) into your address bar and instantly get an empty document.

Sadly it always defaults to the first logged in user, which makes it almost entirely useless to me.

You can also type design.new to get a Canva design.