A History of Short Words

From the New York Times Crossword Puzzle

FOES

Sun, 26 Mar '23
Hostile parties
Sun, 27 Nov '22
Duel personalities?
Sun, 2 Oct '22
Adversaries
Sat, 16 Oct '21
Opposing forces
Fri, 2 Apr '21
Rivals
Mon, 15 Feb '21
Friends' opposite