Last seen in:
- L.A. Times Daily - Apr 26 2025
- L.A. Times Daily - Apr 18 2021
- The Washington Post - Apr 18 2021
- New York Times - Feb 4 2021
- New York Times - Jan 7 2021
- New York Times - Dec 28 2020
- Newsday.com - Aug 16 2019
- New York Times - Oct 17 2017
- Premier Sunday - King Feature Syndicate - Jun 4 2017
- New York Times - Nov 16 2016
Related Clues:
- NASA unit
- Force on Earth, for short
- Rare blood type, briefly
- Blood type for a universal donor, briefly
- Downward force felt on the surface of the earth, informally
- Universal donor type, briefly
- Force felt on Earth, for short
- Force felt on Earth, briefly
- Versatile type in medicine, briefly
- Blood type, in brief
- Universal plasma donor's blood type, for short
- Force on Earth, briefly
- Normal force on Earth
- Second-rarest blood type, briefly
- Force on Earth, informally