confidence vs sureness

confidence and sureness both are nouns.

Word	Noun	Adjective	Verb	Adverb
confidence	Yes	No	No	No
sureness	Yes	No	No	No

As nouns, confidence and sureness are synonyms defined as:

confidence and sureness: freedom from doubt; belief in yourself and your abilities

Other synonyms of confidence include assurance, authority, self-assurance, self-confidence.

confidence (noun)	sureness (noun)
freedom from doubt; belief in yourself and your abilities	the quality of being steady and unfailing
a secret that is confided or entrusted to another	freedom from doubt; belief in yourself and your abilities
a feeling of trust (in someone or something)
a state of confident hopefulness that events will be favorable
a trustful relationship