A History of Short Words

From the New York Times Crossword Puzzle

AMFM

Mon, 4 Aug '25
Letters on a radio switch
Wed, 2 Nov '22
Radio toggle
Wed, 26 Oct '22
Radio toggle
Mon, 1 Aug '22
Radio frequency letters
Sat, 25 Dec '21
Switch letters
Tue, 7 Dec '21
Radio switch