A History of Short Words

From the New York Times Crossword Puzzle

RHEA

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