Similar word to selfabnegation:

abasement, bashfulness, demureness, diffidence, docility, fawning, inferiority complex, lack of pride, lowliness, meekness, mortification, nonresistance, obedience, obsequiousness, passiveness, reserve, resignation, self-abasement, self-abnegation, servility, sheepishness, shyness, subjection, submissiveness, subservience, timidity, timorousness, unobtrusiveness, unpretentiousness