A History of Short Words

From the New York Times Crossword Puzzle

RHEA

Mon, 6 Jun '22
Perlman of "Cheers"
Mon, 21 Feb '22
Relative of an ostrich or emu
Fri, 3 Dec '21
Cassowary kin
Thu, 12 Aug '21
Titaness of myth
Mon, 21 Jun '21
Mother of Zeus (and an anagram of 15-Across)
Sat, 5 Jun '21
Actress Seehorn of "Better Call Saul"
Sun, 28 Feb '21
Largest South American bird