6 letters · 15 points in Scrabble
adverb to a complete degree or to the full or entire extent (`whole' is often used informally for `wholly')
originFrom Middle English holly, holeliche, holliche (also as halely, hallich, etc.). Doublet of earlier holy. By surface analysis, whol(e) + -ly.
Etymology from Wiktionary, CC BY-SA 3.0