sincerity

As nouns the difference between openness and sincerity

is that openness is accommodating attitude or opinion, as in receptivity to new ideas, behaviors, cultures, peoples, environments, experiences, etc., different from the familiar, conventional, traditional, or one's own while sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense.

As nouns the difference between truthfulness and sincerity

is that truthfulness is the quality of being truthful while sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense.

As nouns the difference between hypocrisy and sincerity

is that hypocrisy is the claim or pretense of having beliefs, standards, qualities, behaviours, virtues, motivations, etc. which one does not actually have while sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense.

As nouns the difference between sincerity and devotion

is that sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense while devotion is the act or state of devoting or being devoted.

As nouns the difference between cordiality and sincerity

is that cordiality is the practice of being cordial while sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense.

As nouns the difference between sincerity and regularity

is that sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense while regularity is (uncountable) the condition or quality of being regular; as, regularity of outline.

As nouns the difference between sincerity and willpower

is that sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense while willpower is the unwavering strength of will to carry out one’s wishes.

As nouns the difference between sincerity and duty

is that sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense while duty is that which one is morally or legally obligated to do.

As nouns the difference between sincerity and cynicism

is that sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense while cynicism is a distrustful attitude.

As a proper noun Cynicism is

the philosophy of the Greek Cynics.

As nouns the difference between faithfulness and sincerity

is that faithfulness is the state of being faithful; allegiance; loyalty; fidelity while sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense.