11 letters · 27 points in Scrabble
adjective lacking affinity for water; tending to repel and not absorb water; tending not to dissolve in or mix with or be wetted by water
adjective abnormally afraid of water
originEtymology tree English hydrophobia Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English hydrophobic From hydrophobia + -ic.
Etymology from Wiktionary, CC BY-SA 3.0