A History of Short Words

From the New York Times Crossword Puzzle

REF

Mon, 9 Aug '21
One tweeting about football?
Wed, 7 Jul '21
One who whistles while working
Sun, 27 Jun '21
One enforcing traveling rules
Mon, 3 May '21
Official with a whistle
Sat, 27 Mar '21
One making a call
Sun, 21 Mar '21
Target of the heckle "What game are you watching?!"
Wed, 13 Jan '21
Officiate, informally