excretion

As nouns the difference between discharge and excretion

is that discharge is (uncountable) pus or exudate (other than blood) from a wound or orifice, usually due to infection or pathology while excretion is the process of removing or ejecting material that has no further utility, especially from the body; the act of excreting.

As a verb discharge

is to accomplish or complete, as an obligation.

As nouns the difference between clearance and excretion

is that clearance is the act of clearing or something (such as a space) cleared while excretion is excretion.

As nouns the difference between excretion and elimination

is that excretion is the process of removing or ejecting material that has no further utility, especially from the body; the act of excreting while elimination is the act of eliminating, expelling or throwing off.

As nouns the difference between excretion and secret

is that excretion is the process of removing or ejecting material that has no further utility, especially from the body; the act of excreting while secret is knowledge that is hidden and intended to be kept hidden.

As an adjective secret is

being or kept hidden.

As a verb secret is

to make or keep secret.

As nouns the difference between excretion and aspiration

is that excretion is excretion while aspiration is aspiration (burst of air that follows the release of some consonants).

As nouns the difference between digestion and excretion

is that digestion is digestion while excretion is excretion.

As a noun excretion is

excretion.