A History of Short Words

From the New York Times Crossword Puzzle

NGO

Fri, 10 Dec '21
Intl. Rescue Committee, e.g.
Tue, 18 May '21
Doctors Without Borders, e.g., for short
Sun, 21 Feb '21
Habitat for Humanity is one, for short
Tue, 9 Feb '21
Greenpeace, for one, in brief