10 letters · 21 points in Scrabble
adjective extremely modest or shy; - H.O.Taylor
adjective showing a sense of shame
adjective showing a sense of guilt; ; - Eric Linklater
originAlteration (due to folk etymology: shame + faced) of shamefast, from Middle English schamefast, schamfast, sceomefest, from Old English sċamfæst (“modest”), equivalent to shame + fast. Synchronically with -faced (/ˈfeɪst/).
Etymology from Wiktionary, CC BY-SA 3.0