A History of Short Words

From the New York Times Crossword Puzzle

TRUE

Tue, 29 Mar '22
Like facts, but not fiction
Sun, 27 Mar '22
Level
Wed, 23 Mar '22
Proven
Mon, 13 Dec '21
"You're right"
Sun, 28 Nov '21
Like a tautology, by its nature
Thu, 25 Nov '21
One of two options in five squares in this puzzle
Thu, 22 Jul '21
T, as in tests
Fri, 14 May '21
With 21-Across, straight up