7 letters · 20 points in Scrabble
noun all the animal life in a particular region or period
noun the branch of biology that studies animals
originFrom Ancient Greek ζῷον (zōîon, “animal”) + λόγος (lógos, “knowledge”). By surface analysis, zoo- + -logy. Piecewise doublet of biology.
Etymology from Wiktionary, CC BY-SA 3.0