A History of Short Words

From the New York Times Crossword Puzzle

FIR

Tue, 5 Mar '24
Silver ___ (tree of the Alps)
Tue, 28 Mar '23
Douglas ___
Tue, 24 Jan '23
Christmas tree
Sun, 9 Jan '22
Hemlock relative
Wed, 15 Sep '21
Cedar relative
Sat, 3 Jul '21
One is depicted on the Oregon license plate
Fri, 21 May '21
The "Tannen" of Tannenbaum