15 letters · 28 points in Scrabble
originEtymology tree English phosphor Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl English phosphoryl Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English phosphorylation From phosphoryl + -ation.
Etymology from Wiktionary, CC BY-SA 3.0