Difference between Diffidence and Self Distrust

DIFFIDENCE vs SELF DISTRUST: NOUN

Mistrust, distrust, lack of confidence in someone or something.
The state of being diffident, timid or shy; reticence or self-effacement.
Distrust of one's self or one's own powers; lack of self-reliance; modesty; modest reserve; bashfulness.
The state of being diffident; distrust; want of confidence; doubt of the power, ability, or disposition of others.
Synonyms Modesty, Shyness, etc. (see bashfulness), fear, timidity, hesitation, apprehension.
More especially, distrust of one's self; want of confidence in one's own ability, worth, or fitness; retiring disposition; modest reserve; shyness.
Distrust; want of confidence in regard to anything; doubt of the ability or disposition of others.
The quality or state of being diffident; timidity or shyness.
Lack of self-confidence

Haughtiness, Aloofness, Bashfulness, Self restraint, Moderation, Restraint, Uncertainty, Insecurity, Hesitation, Reluctance, Shyness, Timidity, Reticence, Self distrust, Self doubt

Arrogance, Sullenness, Ambivalence, Naivety, Taciturnity, Nonchalance, Awkwardness, Imperiousness, Sheepishness, Bashfulness, Moderation, Uncertainty, Hesitation, Reluctance, Reticence

This was not the indulgence of an Epicurean selfishness in the gratification of diffidence.
Depretis tardily recognized the need for such agreement, if only to remove the coldness and invincible diffidence which, Afflan.
Unusual anger orindignation of victim or onlookers may increase the direct sanction and externalcosts, whereas diffidence may decrease them.
And she was doing it against quite a great deal of personal diffidence, as she said.
Northern people a gloomy diffidence in the moral character of the government.
Govern does, we quarrel with this point with diffidence.
This commitment, done with some vigour, must be characterized by a certain diffidence.
It is quite understandable that Plato should approach such complicated matters with diffidence.
There is no greater fault in good breeding than too great diffidence.
Nonetheless, she recognized diffidence in both Darcy and Georgiana.