Related Clues:
- Short race, informally
- Natural thing to feel
- NASA unit
- Force on Earth, for short
- Fun run distance, for short
- Blood type for a universal donor, briefly
- Downward force felt on the surface of the earth, informally
- Brief race, in brief
- Universal donor type, briefly
- Force felt on Earth, for short
- Length of some charity runs, for short
- Force felt on Earth, briefly
- Versatile type in medicine, briefly
- Blood type, in brief
- Universal plasma donor's blood type, for short