11 letters · 16 points in Scrabble
adjective compliant and obedient to authority; -G. B. Shaw
adjective serving or acting as a means or aid
adjective abjectly submissive; characteristic of a slave or servant; ; - S.H.Adams
originFrom Latin subserviens, present active of subservio (“to serve under”).
Etymology from Wiktionary, CC BY-SA 3.0