A History of Short Words

From the New York Times Crossword Puzzle

ALPHA

Wed, 25 May '22
Top dog
Sat, 21 May '22
Early software version
Sun, 17 Apr '22
A Greek letter?
Sat, 18 Sep '21
Leading character
Sat, 29 May '21
α
Tue, 18 May '21
Pack leader
Tue, 9 Mar '21
___ wolf (pack leader)