A History of Short Words

From the New York Times Crossword Puzzle

Words of five or fewer letters since August 15, 2006

alto

Thu, 16 Nov '06
Opera villainess, typically
Tue, 7 Nov '06
Voice below soprano
Thu, 19 Oct '06
Prefix in cloud names
Tue, 17 Oct '06
Kind of clef
Thu, 5 Oct '06
Middle sax?