A History of Short Words

From the New York Times Crossword Puzzle

RADIO

Mon, 31 Jan '22
With 21-Across, broadcast unit that may operate with 50,000 watts
Mon, 2 Aug '21
New York's ___ City Music Hall
Thu, 8 Jul '21
It can be two-way ... with a hint to four squares in this puzzle
Sat, 9 Jan '21
Word with car or talk