A History of Short Words

From the New York Times Crossword Puzzle

ROO

Thu, 15 Jul '21
Joey of children's fiction
Sun, 11 Apr '21
Quintana ___ (Mexican state that's home to CancĂșn)
Mon, 29 Mar '21
Outback hopper, informally
Thu, 11 Mar '21
Young one in the Hundred Acre Wood
Sat, 30 Jan '21
Buck, boomer, jack, flyer or jill, informally