As nouns the difference between belief and know

is that belief is mental acceptance of a claim as likely true while know is knowledge; the state of knowing.

As a verb know is

(lb) to perceive the truth or factuality of; to be certain of or that.

In obsolete terms the difference between authenticity and candor

is that authenticity is the quality of being authentic (of established authority) while candor is whiteness; brilliance.

As nouns the difference between authenticity and candor

is that authenticity is the quality of being genuine or not corrupted from the original while candor is whiteness; brilliance.

As adjectives the difference between mindful and inquisitive

is that mindful is being aware ((of) something); attentive, heedful while inquisitive is eager to acquire knowledge.

As nouns the difference between mindfulness and inquisitiveness

is that mindfulness is awareness while inquisitiveness is the quality of being inquisitive; curiosity.

As nouns the difference between depth and experience

is that depth is the vertical distance below a surface; the degree to which something is deep while experience is experiment, trial, test.

As nouns the difference between inquisitiveness and depth

is that inquisitiveness is the quality of being inquisitive; curiosity while depth is the vertical distance below a surface; the degree to which something is deep.

As nouns the difference between stadium and fieldhouse

is that stadium is a venue where sporting events are held while fieldhouse is alternative form of lang=en.

As a noun helix

is a curve on the surface of a cylinder or cone such that its angle to a plane perpendicular to the axis is constant; the three-dimensional curve seen in a screw or a spiral staircase.

As an adjective conical is

of or relating to a cone or cones.

As nouns the difference between apogee and trajectory

is that apogee is the point, in an orbit about the Earth, that is furthest from the Earth: the apoapsis of an Earth orbiter while trajectory is the path of a body as it travels through space.

As a noun gold

is forest.