Mac OS X & macOS version code names
- OS X 10 beta: Kodiak - 13 September 2000
- OS X 10.0: Cheetah - 24 March 2001
- OS X 10.1: Puma - 25 September 2001
- OS X 10.2: Jaguar - 24 August 2002
- OS X 10.3 Panther (Pinot) - 24 October 2003
- OS X 10.4 Tiger (Merlot) - 29 April 2005
- OS X 10.5 Leopard (Chablis) - 26 October 2007
- OS X 10.6 Snow Leopard - 28 August 2009
- OS X 10.7 Lion (Barolo) - 20 July 2011
- OS X 10.8 Mountain Lion (Zinfandel) - 25 July 2012
- OS X 10.9 Mavericks (Cabernet) - 22 October 2013
- OS X 10.10: Yosemite (Syrah) - 16 October 2014
- OS X 10.11: El Capitan (Gala) - 30 September 2015
- macOS 10.12: Sierra (Fuji) - 20 September 2016
- macOS 10.13: High Sierra (Lobo) - 25 September 2017
- macOS 10.14: Mojave (Liberty) - 24 September 2018
- macOS 10.15: Catalina - 24 September 2019
So based on that, how about?
macOS 17 - Catalina
iPadOS 1 - Arizona
iOS 13 - San Andreas
WatchOS 5 - Time Square